Circuits
Showing 1–60 of 120 results
- Sale!
High Quality 1PC Audio Speaker Protection Board Boot Delay DC Protect Kit DIY Double Channel
Dimension Long 65mmx wide 40mmx 25mm high Features The circuit is simple,safe and reliable. Operating voltage AC 12-16V, suggest to use an independent power supply for it. Sampling delay of 3-5 seconds of 1.2V DC Sampling 3-5 seconds delay. Package included 1 x Speaker protection board DIY Components kit for Stereo This products include all components and PCB as the [...]
45.04 $ Add to cart - Sale!
Wireless Bluetooth-compatible 4.2 Stereo Audio Transmitter Lossless Module HIFI DIY Modification wireless adapter
HW-425 Bluetooth-compatible Audio Receiver Module Bluetooth-compatible 4.2 Wireless HiFi Stereo Lossless MP3 Music Decoder cutouts and interfaces ensure that they fit perfectly in the installation location. Easy installation.Made of high-quality materials, corrosion-resistant, wear-resistant, durable and long service life.Professional chipset can provide excellent system performance.Low power consumption, support Bluetooth-compatible 4.2 transmission, two-channel stereo lossless playback. After the module is connected with Bluetooth, it can quickly sense the wireless transmission of Bluetooth, which is very easy to use.In an open space, the Bluetooth-compatible connection distance can reach up to 20 meters. It is widely used in various audio modifications, Bluetooth-compatible [...]
41.50 $ Add to cart - Sale!
DC-DC Step-UP Power Module 2-24V to 2-28V SX1308 Voltage Boost Adjustable Board
DC-DC 2-24V to 2-28V Step-UP Power Module SX1308 2A Adjustable Voltage Boost Converter Board Features: Oscillation frequency 1.2MHz, efficiency is as high as 95 Circuit has short circuit protection, overheating protection function. 10k to adjust potentiometer, adjust the output voltage. Description: 1: VIN cathode voltage input 2: GND anode voltage input 3: GND anode voltage input 4: OUT cathode voltage output, the 2 GNDs are intercommunicated, and the pads of the four voltage input/output terminals are 4mm x 4mm pads, and the through hole diameter is 1mm. 5: 10K adjust potentiometer, choose the output voltage [...]
40.46 $ Add to cart - Sale!
DC-DC Step Down Car Charger Power Module 9V/12V/24V to 5V 3A USB Buck Regulator Board Module For USB5V Power Supply Equipment
DC-DC 9V/12V/24V to 5V Step Down Charger Power Module 3A Output USB Car Charging Regulator Buck Voltage Board Descriptions: A switching step-down DC-DC converter module; Fixed switching frequency 150KHz, the chip has excellent linearity adjustment and load regulation, fixed output 5V. The chip integrates reliability modules such as overcurrent protection, overtemperature protection, and short circuit shutdown. Specifications: Input: 5V-36V Output: 5V/3A Conversion Efficiency: 96 Switching Frequency: 150KHz Working Temperature: -40°C-+85°C Load Capacity: Maximum Output 3A, Long-Term Work 2A Product Size: 38 X 16 X 5mm/1.5 X 0.63 X 0.2 Packing [...]
40.90 $ Add to cart - Sale!
3.3V Wireless Socket Module Adapter Plate 8Pin 24L01 Smart Electronic Board
3.3V Wireless Socket Module Adapter Plate Board 8Pin 24L01 Smart Electronics Module Feature: The working voltage of wireless module is generally 3.3v, while that of 51 single-chip computer is 5V. This module is convenient for the cooperation between wireless module and 51 single-chip computer system board. Specification: Pin value: 8Pin Product size: 25 x 18 x 9mm/0.98 x 0.7 x 0.35 Product weight: 2g Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks [...]
40.25 $ Add to cart - Sale!
Controller Module Electronic Dimmers Motor Voltage Motor Switch 5A 90W PWM Motor Speed Controller Module
5A 90W PWM Motor Speed Controller Module DC 5V-35V Adjustable Voltage Regulator Governor Switch Specification: Working Voltage: DC 5V-35V Output Current: 0-5A Output Power: 90W Large Quiescent Current: 7μA Standby State PWM Duty Cycle: 1-100 PWM Frequency: 20KHz Product Size: 50 X 30 X 15mm/1.97 X 1.18 X 0.59 Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement. 1 X PWM Motor Speed Controller [...]
40.76 $ Add to cart - Sale!
NE555+CD4017 Running LED Flow LED Light Electronic Production Suite DIY Kit
Description: Board size. 53mm x 19mm Supply Voltage :2.5 - 14 .5 V This package is mainly decimal counter circuit and circuit generated by the clock , from the core of the self-excited NE555 multivibrator power through R2, R3, R4 charge the capacitor C1, C1 started when charging , NE555 2 feet still in low, so the output pin 3 goes high when power through R2, R3, R4 to charge C1 to 2/3 of the supply voltage , the output pin 3 level from high to low , NE555 conducting internal discharge , capacitor C1 through R4, R3, NE555 [...]
41.40 $ Add to cart - Sale!
Original for Hisense LED46K01P 40K16X3D 55T36GP Power Panel RSAG7.820.8349/ROH TV H65E3A 65 Inch Free Delivery
Dear buyer Have a nice day!! Welcome to my shop. If you have any questions, please contact me. I will try my best to meet you. We specialize in TV accessories and other electronic products. We have our own factory and a large number of T-con boards for sale. Please contact me what model you want and I will give you the most favorable price. Some products are not brand [...]
83.99 $ Add to cart - Sale!
TDA2822M Mini 2.0 Channel 1W*2 Stereo Audio Power Amplifier Board DC 5V 12V CAR sound Amplifiers module
TDA2822M Digital Power Amplifier Board 2x1.5W 2.0-Channel Stereo Audio Power Amp Module Specification: Rating: 1W x 2 1-3 inch speaker Mximum power: 1.5 W x 2 0.2-5 W can meet the speakers Speaker impedance: 4-32 Ω Power amplifier ratio: ≥50 db Distortion: 0.1 Input interface: 3 p wiring jokes Adjust the form: volume adjustment Input voltage: DC 1.8-12V Product size: 63 x 29 x 23mm/2.48 x 1.14 x 0.91 Product weight: 25g Packing size: 100 x 50 x 30mm/3.94 x 1.97 x 1.18 Gross weight: 25g Instructions for use: 1. Connect the speakers The [...]
41.56 $ Add to cart - Sale!
Bluetooth 4.1 Audio Receiver Board Bluetooth Stereo MP3 Lossless Decoder Module
Bluetooth-compatible Audio Receiver Board Bluetooth-compatible 4.1 MP3 Lossless Decoder Wireless Stereo Music Module Feature: Support Bluetooth-compatible 4.1, support automatic re-connection function, support WAV+APE+FLAC+MP3 lossless decoding, stereo output. Specification: Power Supply: 3.7V-5V SNR: 90dB THD+N: -70dB Crosstalk: -86dB DNR: 91dB Supported Profile: LOS: >15m USB power supply: Universal Micro USB 5V power supply 3.7V-5V power supply PCB: realize external 3.7V-5V lithium battery power supply LED indicator: blue light is on when 3.5mm audio output interface: standard 3.5mm interface, stereo sound output, earphones can be inserted, power amplifier and other equipment can be connected Color: Red/White [...]
41.39 $ Add to cart - Sale!
YAOGREENHAM jumbospot V1.3 MMDVM_HS_Dual_Hat Duplex Hotspot Board kit With USB Port Support P25 DMR YSF NXDN For Raspberry pi
New arrival :If you want to buy the finished MMDVM hotspot power bank ,please click this link The default bit error rate is less than 5, and the default offset is 0. If the bit error rate is more than 5, as long as the signal can be received, it can be corrected by offset. 1.Latest version V1.3, and the firmware is latest 2. original cystal : Original from USA Duplex variant of MMDVM_HS_Hat This PCB uses the MMDVM_HS . It has two ADF7021 onboard and allows for duplex operation with two [...]
85.70 $ Add to cart - Sale!
NE555 Time Delay Relay Module Timer Relay Switch Board 12V DC 0-60s Adjustable Turn On / Delay Turn Off Switch Module with Timer
Time Adjsutable Delay Relay Module NE555 Timming Timer Relay Control Switch Board 12V DC Feature: Using NE555 IC. The delay range is 60 seconds adjustable. Specification: Working voltage: 12V DC, allowable range 10V-14.5V Suction current: 45mA 12V, 80mA 6V Quiescent current: 5mA Load switching capacity: 10A 250V AC or 10A 30V DC Size: 55mm x 28mm, height <20mm Product weight: 19g Note: There may be slight size deviations due to manual measurement, different measuring methods and tools. The picture may not reflect the actual color of the item because of different photographing light, [...]
41.21 $ Add to cart - Sale!
Operational Amplifier OP AMP Tester For Single Dual OPAMP TL071 TL072 TL081/082
Operational Amplifier OP AMP Tester For Single Dual OPAMP TL071 TL072 TL081/082 Notice: This board is only for people with professional electronic knowledge, we do not provide operation guidance and technical support. Beginners please do not buy! ! From September 27, 2021, the PCB changed to black color. Application: Single op amp and dual op amp screening circuit board, the circuit board can judge whether the IC can be used for amplification, and can roughly judge the conversion rate of the chip at the same time. Can find out those low-speed chips that pretend to be high-speed chips. [...]
58.80 $ Add to cart - Sale!
6V 12V 24V DC Car Truck Voltage Circuit Tester Digital Display Long Probe Pen Light Bulb Automobile Diagnostic Tools Auto Repair
6V 12V 24V DC Car Truck Voltage Circuit Tester Digital Display Long Probe Pen Light Bulb Automobile Diagn Dear friend, due to different arrival batches, the metal parts are white and black. Those who care should buy carefully. Product Description:This probe pen is ideal for checking circuits, fuses, switches and wiring on automobiles, trailers, boats, motorcycles and other low voltage systems. Connect the alligator clamp to the ground, then take the probe to test circuit. If the indicator light is on, there is is made of plastic and the hardened & tempered carbon steel probe is chrome [...]
50.93 $ Add to cart - Sale!
WD Digital desktop hard disk PCB 2060 800068 001 Rev P1 measured NEW
most hdd boards have the unique biosrom or nvram chip which includes the unique data to access the hdd system area. if the bios information is not compatible with your hdd, there is no way to read the hdds data. because of this, we should use the original pcbs bios when we swap pcb. bios chip swapping is a must. before you purchase, please read: 1 this is just a pcb printed circuit boards, not the whole hard drive; 2 pcb board number is printed on the board, not on the sticker; 3 these boards are used, not brand [...]
64.20 $ Add to cart - Sale!
TP5100 Double Single Lithium Battery Charge Management Compatible 2A Rechargeable Llate 18650 4.2V 8.4V Built-in power MOSFET
Description: 1. The TP5100 is a switching step-down dual section 8.4v/single section 4.2v lithium battery charging management chip. Its QFN16 subcompact package and simple peripheral circuits make the TP5100 ideal for high-current charging management applications in portable devices. 2. Meanwhile,TP5100 has built-in input overcurrent, undervoltage protection, chip overtemperature protection, short-circuit protection, battery temperature monitoring and battery reverse connection protection. 3. The TP5100 has a wide input voltage of 5v-18v, and the battery charging is divided into three stages: trickle precharging, constant current and constant voltage. The trickle precharging current [...]
40.65 $ Add to cart UNI-T Thermal Imager For Smart Phone UTI260M UTI256M 256×192 Pixel Thermographic Camera Thermal Camera PCB Circuit Failure Test
UTI256M UTI260M Smartphone Thermal Camera UTI256M is a professional thermal camera module for smartphones, which is compact, portable, and easy to operate through connecting with mobile phones. It’s 256×192 IR resolution provides clear image with a fast response.UTi256M is with wide temperature measurement range -20℃ ~ 200℃. UTi260M is a professional thermal camera module for smartphones, which is compact, portable, and easy to operate through connecting with mobile phones. It’s 256×192 IR resolution provides clear image with a fast response.UTi260M is with wide temperature measurement range -20℃ ~ 550℃.It includes two measurements modes for elevated skin temperature inspection and [...]
1,009.03 $ Add to cart- Sale!
8 Decade Resistor Board 0.1R-9999999R Programmable Resistor Resistance Board Module 1/2W 1% 8pcs Jumper Caps 0.1-9999999MΩ
Programmable Eight Decade Resistor Board 1R-9999999R Step Accuracy 0.1R 1/2 Watt SMD Resistance Module Description: This is resistance substitution box good low-cost alternative solution with good accuracy, wide range and 0.1R step accuracy. for educational experiments, electronic engineering design or test trimming are excellent applications. Can flexible and quick setting resistance range from 1R to 9999999R or 0.1-9.9999999MR 0-10MS . Feature: Design based on resistors series theorem. 1/2 watt tolerance +/-1 SMD resistors. High quality FR4 glass fiber PCB. With spare parts 8 pieces jumper caps Specification: Programmable Resistance: 0 to 9,999,999 ohm, [...]
42.54 $ Add to cart - Sale!
Original 6870C-0266A placa de video Logic Board kit for / 32LH30RC-TA LC320WUN Connect with T-CON Connect Board
If you are not sure about the model of the board, please send us a clear picture of the original board. Have a nice day!!Welcome to my store,Please contact me if you meet any question,I will try my best to satisfy you. We specialized in T-con board and other electronic products. We have own factory and a large number of T-con boards to sell, please contact me what model you [...]
47.90 $ Add to cart - Sale!
2S 3A 7.4V 8.4V 18650 Lithium Battery Charger BMS Protection Board HW-882 for Protecting Two Rechargeable Li-ion/lithium Polymer
HW-882 2S 3A 18650 Li-ion Lithium Battery Charger Protection Board BMS Module 7.4V 8.4VFeature:2S 7.4V/8.4V 18650 lithium battery protection board, suitable for protecting two rechargeable li-ion/lithium polymer batteries in series from overcharge and voltage: 8.4V-9VMaximum working current: 3AMaximum instantaneous current: 5AQuiescent current: less than 3uAInternal resistance: less than 45mΩOver-discharge voltage range: 2.3-3.0V ±0.05VOvercharge voltage range: 4.25-4.35V ±0.05VShort circuit protection: it can be protected and needs to be rechargedProduct size: 36 x 6 x 2mmProduct weight: 3gPacking size: 50 x 50 x 10mmGross weight: 3gNote:There may be slight size deviations due to manual measurement, different measuring methods and tools.The [...]
40.59 $ Add to cart - Sale!
Governor Switch Motor Speed Controller Board Speed Controller Module Adjustable Voltage Regulator Governor Switch
5A 90W PWM Motor Speed Controller Module DC 5V-35V Adjustable Voltage Regulator Governor Switch Specification: Working Voltage: DC 5V-35V Output Current: 0-5A Output Power: 90W Large Quiescent Current: 7μA Standby State PWM Duty Cycle: 1-100 PWM Frequency: 20KHz Product Size: 50 X 30 X 15mm/1.97 X 1.18 X 0.59 Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due [...]
40.80 $ Add to cart - Sale!
7channel 12v rs485 ntc thermistor temperature sensor modbus rtu remote acquisition monitor board b3950 10k 1%
Product Name: 7CH DC 12V RS485 NTC Thermistor Temperature Sensor Modbus Rtu Remote acquisition monitor Module B3950 10K 1 Packing list: 1 pcs NT18B07 7CH RS485 NTC Temperature sensor Board Description : 1: Operating Voltage : DC 6-24VDC 7.5V 9V 12V 15V 24V2: Operating Current :7-15MA3: MODBUS RTU Command support 03 06 function code4:Serial port baud rate: 9600 default, N, 8, 15:By modifying the 485 address, up to 247 modules can be cascaded more than 16 please use R485 repeater6:Adapted sensor: B3950 10K 1 NTC thermistor, Up to 7 NTC sensors can be connected at the same time7:Temperature [...]
51.93 $ Add to cart - Sale!
2S-6S B6 B8 A6 Lithium Battery Balanced Charger Expansion JST XH Adapter Board
2S-6S Lithium Battery Balanced Charger Expansion JST XH Adapter Board for MEGA Power 860 960 RC Lipo Battery Charging Specification: JST XH Balance Charging Adapter 6S Expansion Board Support 2S-6S lithium battery Suitable for MEGA Power 860 and 960 chargers Dimensions: 60 x 25 x 15mm Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. [...]
41.34 $ Add to cart - Sale!
YX-Q01 220V Two-Way Power Automatic Switcher 10A 2 Power Supply 2 In 1 Out Power Failure Conversion Switch Board Module
85-240V 10A Dual AC Power Supply Automatic Switching Controller Module Board for dual AC power automatic switching module. The module can automatically switch between the two power sources.Feature:1. AC power2. Dual power input3. Automatic power switch4. Main power YX-Q01Main power supply voltage: 85V~240V ACBackup power supply voltage: 85V~240V ACLoad current: 10A MAXWorking temperature: -25℃~+85℃Working humidity: 5~95 RHSize: 70 x 48 x 18.5mmTip:1. When the main power supply is out of power, the module automatically switches to the backup power supply; when the main power supply is restored, the module automatically switches to the main power supply.2. At [...]
47.26 $ Add to cart - Sale!
Time Adjsutable Delay Relay Module NE555 Timming Timer Relay Control Switch Board 12V DC Delay Module Relay Module
Time Adjsutable Delay Relay Module NE555 Timming Timer Relay Control Switch Board 12V DC Feature: Using NE555 IC. The delay range is 60 seconds adjustable. Specification: Working voltage: 12V DC, allowable range 10V-14.5V Suction current: 45mA 12V, 80mA 6V Quiescent current: 5mA Load switching capacity: 10A 250V AC or 10A 30V DC Size: 55mm x 28mm, height <20mm Product weight: 19g Note: There may be slight size deviations due to manual measurement, different measuring methods and tools. The picture may not reflect the actual color of the item [...]
41.33 $ Add to cart ExcelValley – Mono Patch Cable Splitter – TS 3.5mm 1/8" – Modular Synth Eurorack
ExcelValley - Mono Patch Cable Splitter - TS 3.5mm 1/8 - Modular Synth Eurorack Mono Audio Multi Splitter Adapter A passive 1 into 5 multiplier in a star shape. Suitable for your Eurorack modular synthesizer, or other general patching duties, where a mono 3.5mm cable is needed. Features Connect up to 5 devices to one source device - 6 Ports, 5 Way Nickel plated connectors provide high corrosion protection 3.5 mm adapter splits line into five 3.5 mm ports 1 input / 5 outputs any socket can be used as input Compatible with: Roland, Moog, Doepfer, Arturia, Korg Specifications Color [...]
50.48 $ Add to cart- Sale!
F5305S PMOS Field Effect Transistor Pulse Trigger Switch Board 3V 5V 12V 24V 36V
F5305S PMOS Pulse Trigger Switch Board FET MOS Field Effect Transistor Switch Module 3V 5V 12V 24V 36V Feature: 1. Field effect transistor switch module, input and output are completely isolated. 2. Signal trigger terminal: digital high and low level. Can be connected to MCU IO port, PLC interface, DC power supply, etc., 3. Input signal voltage: 3V~24V; current: about 5mA. 4. The output terminal can control high-power equipment, motors, bulbs, LED strips, DC motors, micro water pumps, solenoid valves, etc. 5. Output controlled voltage: 5V~36V. Current: less than 5A, more than 5A need to add a heat sink, [...]
40.89 $ Add to cart LILYGO® TTGO T-U2T USB To TTL Automatic Downloader CH340K
LILYGO® T-U2T USB To TTL automatic downloader CH9102Currently only compatible with Windows , Mac systems of 10.15 and below LILYGO T-U2T is the abbreviation of USB To TTL, The original intention of this product design is that every time you design an ESP32 circuit board, you will find that the same circuit of usb To TTL appears on the schematic, especially when designing a small-sized circuit. This circuit occupies a lot of space, and it also increases the cost, so we want to change it, Finally we discovered that each product also [...]
48.09 $ Add to cart- Sale!
5pcs Mini360 RC Airplane Module Mini 360 DC Buck Converter 2A Step Down 4.75V-23V to 1V-17V 17x11x3.8mm LM2596
Small volume DC-DC synchronous rectifier step-down module Application fields: DIY mobile power supply, vehicle power supply, communication equipment power supply, various occasions with strict requirements on volume and weight such as aviation model, etc.. Technical parameters: Model name Mini360 Ultra small volume DC-DC synchronous rectifier step-down module Module properties Non isolated Depressurization Rectification mode Synchronous rectification input voltage 4.75V-23V output voltage 1.0V-17V Output current Peak 3a, long time 1.8A conversion efficiency 96 high switching frequency 340KHz Output ripple 30mV when no load Load adjustment rate ± 0.5 Voltage adjustment rate± 2.5 working temperature-40 ° C to +85 ° C [...]
43.50 $ Add to cart Yubico Security Key NFC – Two Factor Authentication USB And
We offer competitive price,reliable shipping and better communication service.If you need the datasheet for this product,please leave a message. Welcome to send your request if we don't have in our store. Yubico Security Key NFC - Two Factor Authentication USB and NFC Security Key, Fits USB-A Ports and Works with Supported NFC Mobile Devices – FIDO U2F and FIDO2 Certified - More Than a Password. Item Description SECURITY KEY: Protect your online accounts against unauthorized access by using 2 factor authentication with the Yubico Security Key NFC. It's the world's most protective USB and NFC security key that works with [...]
150.75 $ Add to cart- Sale!
2P Pin Type Busbar 4-12 Way Copper Bar Terminal Block for MCB DZ47 Air Switch Connector 2P63A Circuit Breaker Connector
Product name: 2P 63A bus bar 4-12 teethActual specifications: 1.4 thick x 6.6mm wide manual cutting, width plus or minus 0.2mm, tooth width 5.5mm.Product spacing: A phase-A phase spacing 36mm.Product description: Thickness of copper pieces x width of horizontal row width refers to the width of horizontal row of copper pieces, not the width of teeth.Product material: red copper primary color.Product insulation: PVC flame retardant plastic.Scope of use: It can be connected to C45 type, DZ47 type, IC65N type and other miniature circuit breaker air switches specifically depends on the circuit breaker phase spacing, it is not recommended to [...]
43.26 $ Add to cart - Sale!
Tuya Smart Life 3 Phase Wifi Energy KWH Meter 80A 120A Power Clamp Current Transformer App Monitor
Support Dropshipping and Wholesaling. 100 Original and Good Quality with Free After-sale Warranty. 1. It's high Amp item, and the device needs certified and professional electrician for wiring.2.The frequency of the wireless router is 2.4GHz.3. The meter requires the measured device must have neutral wire. otherwise it can't measure the device's voltage, current, and power.Material: plasticcolour: As shownPackage Contents:1 x 3 Phase WiFi Energy KWH Meter80A/1 x 3 Phase WiFi Energy KWH Meter120AOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a [...]
135.00 $ Add to cart - Sale!
5A 90W PWM Motor Speed Controller Module DC 5V-35V Adjustable Voltage Regulator Governor Switch
5A 90W PWM Motor Speed Controller Module DC 5V-35V Adjustable Voltage Regulator Governor Switch Specification: Working Voltage: DC 5V-35V Output Current: 0-5A Output Power: 90W Large Quiescent Current: 7μA Standby State PWM Duty Cycle: 1-100 PWM Frequency: 20KHz Product Size: 50 X 30 X 15mm/1.97 X 1.18 X 0.59 Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement. 1 X PWM [...]
40.79 $ Add to cart - Sale!
TP5100 2A Charging Board Power Module Single Dual Battery Charging Management
Description: 1. The TP5100 is a switching step-down dual section 8.4v/single section 4.2v lithium battery charging management chip. Its QFN16 subcompact package and simple peripheral circuits make the TP5100 ideal for high-current charging management applications in portable devices. 2. Meanwhile,TP5100 has built-in input overcurrent, undervoltage protection, chip overtemperature protection, short-circuit protection, battery temperature monitoring and battery reverse connection protection. 3. The TP5100 has a wide input voltage of 5v-18v, and the battery charging is divided into three stages: trickle precharging, constant current and constant voltage. The [...]
40.74 $ Add to cart - Sale!
2S-6S B6 B8 A6 Lithium Battery Balanced Charger Expansion JST XH Adapter Board
2S-6S Lithium Battery Balanced Charger Expansion JST XH Adapter Board for MEGA Power 860 960 RC Lipo Battery Charging Specification: JST XH Balance Charging Adapter 6S Expansion Board Support 2S-6S lithium battery Suitable for MEGA Power 860 and 960 chargers Dimensions: 60 x 25 x 15mm Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1 X [...]
41.34 $ Add to cart - Sale!
TDA2822M Digital Power Amplifier Board 2×1.5W TDA2822M Digital Power Amplifier Board 2-Channel Power Amp Module
TDA2822M Digital Power Amplifier Board 2x1.5W 2.0-Channel Stereo Audio Power Amp Module Specification: Rating: 1W x 2 1-3 inch speaker Mximum power: 1.5 W x 2 0.2-5 W can meet the speakers Speaker impedance: 4-32 Ω Power amplifier ratio: ≥50 db Distortion: 0.1 Input interface: 3 p wiring jokes Adjust the form: volume adjustment Input voltage: DC 1.8-12V Product size: 63 x 29 x 23mm/2.48 x 1.14 x 0.91 Product weight: 25g Packing size: 100 x 50 x 30mm/3.94 x 1.97 x 1.18 Gross weight: 25g Instructions for use: 1. Connect the speakers The speakers at both ends of [...]
41.59 $ Add to cart - Sale!
HW-425 Bluetooth-compatible Audio Receiver Module Bluetooth-compatible 4.2 Wireless HiFi Stereo Lossless MP3 Music Decoder Board
HW-425 Bluetooth-compatible Audio Receiver Module Bluetooth-compatible 4.2 Wireless HiFi Stereo Lossless MP3 Music Decoder Board Feature: Accurate cutouts and interfaces ensure that they fit perfectly in the installation location. Easy installation. Made of high-quality materials, corrosion-resistant, wear-resistant, durable and long service life. Professional chipset can provide excellent system performance. Low power consumption, support Bluetooth-compatible 4.2 transmission, two-channel stereo lossless playback. After the module is connected with Bluetooth, it can quickly sense the wireless transmission of Bluetooth, which is very easy to use. In an open space, the Bluetooth-compatible connection distance can reach up to 20 meters. It is [...]
41.00 $ Add to cart - Sale!
Motor Speed Controller Module Adjustable Voltage Regulator Adjustable Speed Regulator Control Governor Switch
U.S. buyer attention: The areas where the US warehouse does not deliver goods are: Hawaii, Alaska, Puerto Rico, Guam and other US overseas territories. And the military address. Spanish buyers attention: if your address includes following postal code please do not choose the Spanish warehouse. The zip code starts with 35/38. Overseas warehouse cannot be delivered. 5A 90W PWM Motor Speed Controller Module DC 5V-35V Adjustable Voltage Regulator Governor Switch Specification: Working Voltage: DC 5V-35V Output Current: 0-5A Output Power: 90W Large Quiescent Current: 7μA Standby State PWM Duty Cycle: 1-100 PWM [...]
40.79 $ Add to cart - Sale!
T-Impulse Wristband LoRa 868MHZ LoW Power Transceiver GPS OLED STM32 Programmable Watch S76G CXD5603GF GNSS Module
Compatible Audio & Video Equipment Style: Amplifier Model Number: T-Impulse Wristband MCU: S76G LoRa Frequency Band: LoRa 868MHZ T-Impulse S76G 868MHZ Bracelet: K133 Colour: black Material: plastic+metal Package Contents: 1 x T-Impulse S76G Bracelet 868MHZ 1 x TYPE-C Line Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the [...]
99.50 $ Add to cart - Sale!
9V/12V/24V to 5V DC-DC Step Down Car Charging Car Charger 3A Output USB Charger Module Diy Electronic Diy Kit Pcb Board
DC-DC 9V/12V/24V to 5V Step Down Charger Power Module 3A Output USB Car Charging Regulator Buck Voltage Board Descriptions: A switching step-down DC-DC converter module; Fixed switching frequency 150KHz, the chip has excellent linearity adjustment and load regulation, fixed output 5V. The chip integrates reliability modules such as overcurrent protection, overtemperature protection, and short circuit shutdown. Specifications: Input: 5V-36V Output: 5V/3A Conversion Efficiency: 96 Switching Frequency: 150KHz Working Temperature: -40°C-+85°C Load Capacity: Maximum Output 3A, Long-Term Work 2A Product Size: 38 X 16 X 5mm/1.5 X 0.63 X [...]
40.71 $ Add to cart - Sale!
1PC Audio Speaker Protection Board Boot Delay DC Protect Kit DIY Double Channel delay of 3-5 seconds
Dimension Long 65mmx wide 40mmx 25mm high Features The circuit is simple,safe and reliable. Operating voltage AC 12-16V, suggest to use an independent power supply for it. Sampling delay of 3-5 seconds of 1.2V DC Sampling 3-5 seconds delay. Package included 1 x Speaker protection board DIY Components kit for Stereo This products include all components and PCB as the [...]
45.05 $ Add to cart - Sale!
F5305s Pmos Pulse Trigger Switch Board Fet Mos Field Effect Transistor Switch Module 3v 5v 12v 24v 36v
F5305S PMOS Pulse Trigger Switch Board FET MOS Field Effect Transistor Switch Module 3V 5V 12V 24V 36V Feature: 1. Field effect transistor switch module, input and output are completely isolated. 2. Signal trigger terminal: digital high and low level. Can be connected to MCU IO port, PLC interface, DC power supply, etc., 3. Input signal voltage: 3V~24V; current: about 5mA. 4. The output terminal can control high-power equipment, motors, bulbs, LED strips, DC motors, micro water pumps, solenoid valves, etc. 5. Output controlled voltage: 5V~36V. Current: less than 5A, more than 5A need to add a heat sink, [...]
40.98 $ Add to cart - Sale!
LILYGO® TTGO T-Beam V1.1 ESP32 NEO-M8N GNSS IPEX LoRa SX1268 433Mhz SX1262 868Mhz 915Mhz Wireless Module WiFi Bluetooth Board
T-Beam V1.1 SX1262 IPEX NEO-M8N GNSS Introduce: T-Beam V1.1 SX1262 IPEX NEO-M8N GNSS Version, change GPS / LoRa chip and LoRa antenna based on T-Beam V1.1. LoRa chip using Semtech SX1262 LoRa RF transceiver chip design, works in the 868/915MHz ISM frequency band, integrates a highly stable TCXO 32MHz crystal oscillator, half-duplex transceiver module, power up to +22dBm, to -139dBm receiving sensitivity. The LoRa antenna interface is changed from SMA to IPEX , which is more convenient to store. GPS chip using Semtech NEO-M8N GNSS chip design, also support GPS Beidou GLONASS, stronger positioning signal, The [...]
124.33 $ Add to cart - Sale!
DC-DC SX1308 2A Step-UP Power Module 2-24V to 2-28V Boost Adjustable Converter
DC-DC 2-24V to 2-28V Step-UP Power Module SX1308 2A Adjustable Voltage Boost Converter Board Features: Oscillation frequency 1.2MHz, efficiency is as high as 95 Circuit has short circuit protection, overheating protection function. 10k to adjust potentiometer, adjust the output voltage. Description: 1: VIN cathode voltage input 2: GND anode voltage input 3: GND anode voltage input 4: OUT cathode voltage output, the 2 GNDs are intercommunicated, and the pads of the four voltage input/output terminals are 4mm x 4mm pads, and the through hole diameter is 1mm. 5: 10K adjust potentiometer, choose the output voltage [...]
40.46 $ Add to cart - Sale!
Air Compressor Pressure Valve Switch Manifold Relief Regulator Gauges 90-120PSI 230-220V Aluminum alloy bracket
Aluminum alloy Air Compressor Pressure Valve Switch Manifold Relief Regulator Gauges 125 PSI 230 Durable and practical. Easy to install and remove.The main function of the clique is to adjust the air compressor to close and start the pressure.Users can adjust according to their actual situation.The air regulator on both sides of the copper is an exhaust clique that opens the gas when used.Right red is the safety aluminum, plasticColor: as shownRated voltage: 220vExhaust pipe: about 6MMBracket joint size: about 20MMOuter pressure relief port: about 9.5MMMaximum current: 20AWorking pressure: 5-8KG 90-120 PSISwitching pressure range: 0.5-0.8MPA 5-8BAR 90-120PSImethod: normally closedSize: [...]
67.91 $ Add to cart - Sale!
High Quality Delay Relay Delay Turn On / Delay Turn Off Switch Module with Timer DC 12V Time Adjsutable Delay Relay Module
Time Adjsutable Delay Relay Module NE555 Timming Timer Relay Control Switch Board 12V DC Feature: Using NE555 IC. The delay range is 60 seconds adjustable. Specification: Working voltage: 12V DC, allowable range 10V-14.5V Suction current: 45mA 12V, 80mA 6V Quiescent current: 5mA Load switching capacity: 10A 250V AC or 10A 30V DC Size: 55mm x 28mm, height <20mm Product weight: 19g Note: There may be slight size deviations due to manual measurement, different measuring methods and tools. The picture may not reflect the actual color of the item because of different photographing light, angle and [...]
41.44 $ Add to cart 40W/100W bluetooth amplifier (2/4ch) SSM3302 SSM3582
This amplifier board using ADI's class-D amplifier SSM3302, plus DSP ADAU1701 for EQ, crossover, limit, volume control etc. the optional boards are: 4 x 10W SSM3302 x 2 2 x 20W SSM3302 x 2 IN MONO 4 x 25W SSM3582 x 2 All board support analog in besides Bluetooth in mode also. There is a volume controller on the board, you can change the whole input volume. The output mode/EQ/crossover setting can be customized as you liked, please let me know if you want. The default setting is just 2ch in and copied to 4 ch out, my default EQ [...]
108.91 $ Add to cart- Sale!
F5305S PMOS Pulse Trigger Switch Board FET MOS Field Effect Transistor Switch Module 3V 5V 12V 24V 36V to MCU IO port PLC
F5305S PMOS Pulse Trigger Switch Board FET MOS Field Effect Transistor Switch Module 3V 5V 12V 24V 36V Feature: 1. Field effect transistor switch module, input and output are completely isolated. 2. Signal trigger terminal: digital high and low level. Can be connected to MCU IO port, PLC interface, DC power supply, etc., 3. Input signal voltage: 3V~24V; current: about 5mA. 4. The output terminal can control high-power equipment, motors, bulbs, LED strips, DC motors, micro water pumps, solenoid valves, etc. 5. Output controlled voltage: 5V~36V. Current: less than 5A, more than 5A [...]
40.91 $ Add to cart - Sale!
2S-6S Lithium Battery Balanced Charger Expansion JST XH Adapter Board for MEGA Power 860 960 RC Lipo Battery Charging
2S-6S Lithium Battery Balanced Charger Expansion JST XH Adapter Board for MEGA Power 860 960 RC Lipo Battery Charging Specification: JST XH Balance Charging Adapter 6S Expansion Board Support 2S-6S lithium battery Suitable for MEGA Power 860 and 960 chargers Dimensions: 60 x 25 x 15mm Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1 X [...]
41.63 $ Add to cart - Sale!
ESP32 LoRa32 V2.1 1.6 Version 433/868/915MHZ LoRa ESP-32 OLED SX1276 ESP32 Oled-display BT Wireless WIFI Lora development board
TTGO LORA32 868/915Mhz 433MHz SX1276 ESP32 Oled-display BT Wireless WIFI Lora development board Adapter Board Features: 1.The antenna needs to be in connection with the IPEX interface if the antenna is not connected, the signal reception will be unstable 2.Lithium battery charge and discharge circuit, when the battery is full, the blue LED will stop working. When using, pay attention to the positive and negative of the battery, otherwise it will be damaged! 3.With IO port touch screen touch signal input, you need to add the 100nF pull-down capacitor to this pin 4.Support for Sniffer software protocol analysis, Station, [...]
85.51 $ Add to cart - Sale!
10A 6-60V Battery Charger Control Module Overcharge for PROTECTION Control Switc
Feature:OOTDTY 1.Support Lead-acid battery and Acting Battery,voltage range:6V~60V;2.Can display voltage,percent of battery,charging for TIME at the same for TIME through LCD3.The function is very powerful,realizes the automatic charge control,the control charge for TIME, also may set up and uploads the corresponding parameter through the serial portSpecifications: Product Model:XY-L10AControl accuracy:0.1VOutput Type: Direct OutputVoltage error:±0.1VScope of application: various lithium Charge control function:By setting the volt-HI:‘UP’ the battery voltage is below the volt-LI:’dn’,the relay leads,the charger begins to charge the battery;when the battery voltage is up to volt-HI:’UP’,the relay is diconnected and the automatic charge is completed [...]
46.64 $ Add to cart - Sale!
F5305S PMOS Pulse Trigger Switch Board FET MOS Field Effect Transistor Switch Module 3V 5V 12V 24V 36V Switch Board Accessories
F5305S PMOS Pulse Trigger Switch Board FET MOS Field Effect Transistor Switch Module 3V 5V 12V 24V 36V Feature: 1. Field effect transistor switch module, input and output are completely isolated. 2. Signal trigger terminal: digital high and low level. Can be connected to MCU IO port, PLC interface, DC power supply, etc., 3. Input signal voltage: 3V~24V; current: about 5mA. 4. The output terminal can control high-power equipment, motors, bulbs, LED strips, DC motors, micro water pumps, solenoid valves, etc. 5. Output controlled voltage: 5V~36V. Current: less than 5A, more than 5A need to add [...]
40.93 $ Add to cart