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DIY Kit Sound Light Controller LED Delay Light Voice Controlled Melody Light Audio Indicator 1.Introduction: SCL-8 is a sound light controller. Its LEDs can be controlled by sound and photoresistor sensor and switch control status by self-locking switch. 2.Parameter: &nb... $3.99 SKU: GY17435
$3.99

DIY Kit RGB LED Pentagram Flashing Light WAV Music Player Colorful Five-Pointed Star Soldering Practice Kit 1.Introduction: It is a RGB LED pentagram DIY kit that you need to weld and assemble by yourself. The bottom plate comprises a circuit board and component parts. A variety of cool model showing a three-dimensional effec... $10.99 SKU: GY17434
$10.99

24W High Power White LED Light Board 300mA 72V 24pcs LEDs Aluminum Plate Brightness 2640LM-2880LM 1.Description: It is a white 24W high power LED light board.It can be used for traffic lighting and interior lighting. 2.Feature: 1>.High light effect 2>.High color rendering 3>.No splash... $7.99 SKU: GY17501
$7.99

ZB2L3-L Battery Capacity Tester Ah for CR2032 Battery Capacity Display Module 9999mAh 1.Description: It is a battery capacity display module.It can be used to measure the voltage of a battery. 2.Feature: 1>.Digital display 2>.High precisio 3>.Special batt... $6.29
~~$8.99~~ SKU: GY17496
$6.29
~~$8.99~~
30

Battery Test Stand 10A Battery Holder for 18650 AA AAA CR2025 Battery 1.Description: It is a battery test stand. It can be used for 18650/AA/AAA/CR2025 Battery. 2.Feature: 1>.Using terminal blocks 2>.Can be used with a variety of batteries 3&... $8.81
~~$12.59~~ SKU: GY17495
$8.81
~~$12.59~~
30

ZB2L3 Battery Capacity Tester Ah for 18650 Battery Capacity Display Module 9999mAh for 1.2V-12V Battery 1.Description: It is a battery capacity display module.It can be used to measure the voltage of a battery. 2.Feature: 1>.Digital display 2>.High-strength power interface 3&... $6.99
~~$9.99~~ SKU: GY17494
$6.99
~~$9.99~~
30

DC 12V 3Bit PWM 4-Wire Fan Temperature Controller 3A Speed Governor for PC Fan/Alarm 1.Description: It is a PWM 4-Wire fan temperature controller. It has three PWM outputs, each of which can manually adjust the output ratio. 2.Feature: 1>.Three PWM outputs 2>.Three-wa... $7.29 SKU: GY17492
$7.29

Battery Capacity Tester Ah for 18650 Lithium Battery Lead-acid Battery Voltage Current Indicator Display Module 1.Description: It is a battery capacity tester. It can test the battery capacity,voltage,and current of 18650 lithium battery lead acid. 2.Feature: 1>.Digital display 2>.High precision ... $4.89
~~$6.99~~ SKU: GY17489
$4.89
~~$6.99~~
31

DC-DC 12V to 5V 70mA Step Down Isolated Power Supply Module 10-Channel Buck Converter with 10pcs XH2.54-2P 30cm Wire 1.Description: It is a step down power supply module. It can test all single cells in a 5 string battery without plugging in 5 power supplies. 2.Feature: 1>.Supports multiple battery measurements ... $9.51
~~$13.59~~ SKU: GY17487
$9.51
~~$13.59~~
30

DC 12V Water Level Detection Sensor Module Liquid Level Controller For Pond Tank Warter Level Detection 1.Description: It is a Water Level Detection Sensor Module.This product is based on detecting the water level of the pool(water tower) to control the high current relay to achieve the control.It can stably realize that the poo... $5.03
~~$6.99~~ SKU: GY17485
$5.03
~~$6.99~~
29

DC 12V 24V Voice Playback Module DY-HV20T High Power Digital Amplifier Module TF Card Socket Mono 20W 8ohm MP3 WAV UART Controller for Arduino 1.Description: DY-HV20T is an intelligent voice module developed by the division independently. It integrates I/O subsection triggering, UART serial port control, ONE_line single bus serial port control. Onboard 20W Cla... $6.99 SKU: GY17437
$6.99

USB Downloader Bootloader for NRF5182 NRF51422 Wireless Bluetooth Module 1.Description: It is a downloader.It is mainly used to download code for nRF51 chip. 2.Feature: 1>.Portable design 2>.SWD SWCLK GND VCC four-wire interface 3>.Short-circ... $10.59 SKU: GY17354
$10.59

Low Power Consumption Synchronization Timer Output Alarm Delay Relay Module Scheduled Start 1.Decription: Timer3-RU is a programmable timer module with USB and high precision clock chip. 2.Feature: 1>.TmTimer3-RU has a built-in high-speed CPU and high-precision clock chip. 2>... $8.19 SKU: GY17347
$8.19

Low Power Consumption Synchronization Timer Output Alarm Delay Module 1.Description: TmTimer3 is a low power consumption synchronization timer output alarm delay module. TmTimer3 has a built-in CPU and high-precision clock core.It has timing and delay functions. 2.Feature: &nb... $7.79 SKU: GY17346
$7.79

nRF51822 Wireless Bluetooth Module BLE4.0 Transceiver Module 1.Description: It is a wireless bluetooth module.It can connect mobile phones to play music. 2.Feature: 1>.Small size 2>.Strong signal 3>.High-frequency performance ... $5.99 SKU: GY17341
$5.99

TDA7297 15W+15W Dual Channel Audio Amplifier Board Description: PCB Size: 4.8cmx4.8cm; Voltage: DC 9-15V, AC 9-12V, recommended DC voltage 12V, current 2A above; Power: 15W +15 W; Output Impedance: 4-8 ohm Note: If you like to assemble it by yourself, we al... $7.29 SKU: GY17317
$7.29

Wireless Bluetooth Digital Power Amplifier Board PAM8403 Class D 3W+3W Stereo Voice Player w/ 18650 Battery Socket 1.Description: XH-A153 is a Low Power Wireless Bluetooth Digital Power Amplifier Moard.It can connect Bluetooth or insert TF card to play music.The product has a battery holder, which can be installed to charge the battery. ... $6.99 SKU: GY17281
$6.99

12V 25W PI Polyimide Flexible Adhesive Heater 100x100mm Polyimide Heating Film 1.Description: It is a polyimide heating film.It is made of polyimide film as outer insulator, metal foil and wire as inner conductive heating element,and heat-sealed by high temperature and high pressure.It has excellent insu... $5.99 SKU: GY17205
$5.99

24V 50W PI Polyimide Flexible Adhesive Heater 95x135mm Polyimide Heating Film 1.Description: It is a polyimide heating film. It is made of polyimide film as outer insulator, metal foil and wire as inner conductive heating element, and heat-sealed by high temperature and high pressure. It has excellent i... $4.17
~~$5.79~~ SKU: GY17204
$4.17
~~$5.79~~
28

AC 220V 150W Glass Fiber Heating Belt 2mx25mm Smart Temperature Heater 1.Description: It is a glass fiber electric heating belt.It is suitable for heating and heat preservation of tanks, tubes,tanks and other containers of various industrial equipment. 2.Feature: 1>.G... $6.18
~~$8.59~~ SKU: GY17202
$6.18
~~$8.59~~
28

1.5inch 128x128 SPI RGB OLED Display Screen Module 65K SSD1351 Driver 128*128 3.3V Power 1.Description: It is a 1.5 inch OLED display screen module.It is a color display that can adjust the brightness. 2.Feature: 1>.RGB display 2>.Adjust brightness 3>.Full v... $16.59 SKU: GY17199
$16.59

DC 5V 12V 24V Trigger Counter Module MOS Delay Circuit Switch Timer 32-Function 1.Description: It is a delay MOS tube module.It can be used to control motors,LED strips,DC motors,miniature water pumps,solenoid valves,etc. 2.Feature: 1>.Digital dispiay 2>.No noise... $5.99 SKU: GY17192
$5.99

DC 5V MP3 Voice Module 4M Flash Voice Playback Module with 3W Amplifier for Broadcast Alarm 1.Description: It is a 4M flash voice playback module.It can play music by inserting TF card.It can be connected to the human body's infrared sensing head,and the human body's infrared trigger will play the voice once.... $5.59 SKU: GY17114
$5.59

DC 12V 24V PIR Human Body Infrared Sensor Module 30s Delay Switch 20W Light Control 1.Description: YX-458 is a infrared human body sensing module.It can detect changes in the infrared spectrum of human temperature through sensors.When people enter the sensing range,the lights are ON, people leave, and the lig... $3.59
~~$4.99~~ SKU: GY17112
$3.59
~~$4.99~~
29

DC 5V 4 Channel Wireless WIFI Transceiver Module IoT Remote Controller 4Bit Switch Module APP Transceiver for eWeLink 1.Description: LC-EWL-B04-MB is a WIFI module based 4 channel WIFI wireless switch controller. It integrates with MCU and GPIO control. It supports to connect and control 4 home appliances which can be turned on/off by app... $5.99 SKU: GY17105
$5.99

DC 5V 8V-80V ESP8266 Wireless WIFI Relay Controller Module ESP-12F for IOT Smart Home APP 1.Description: LC-Relay-ESP12-1R-D8 single way relay development board carry on ESP-12F WiFi module I/O port is fully extracted, support DC8-80V/USB 5V and other power supply methods. Supply Arduino development environment ref... $6.99 SKU: GY17104
$6.99

Infrared Transceiver ESP8285 Wireless Transceiver Module WIFI Remote Control Switch Development Learning Board 1.Description: It is a Infrared ESP8285 Wireless WIFI Transceiver Module.The esp-01m module with ESP8285 as the core be used as the master control, the program is the same as ESP8266. The module is equipped with an infrared re... $5.99 SKU: GY17103
$5.99

ESP8266 0.96 Inch OLED Display Module RTC ESP-12F Wireless WIFI Transceiver Module Weather Clock Display 1.Description: It is a RTC Weather ESP8266 0.96inch OLED Display Module. It can display current time and weather on OLED display screen. 2.Feature: 1>.Built-in ESP-12F WIFI Module 2>.... $9.99 SKU: GY17102
$9.99

Downloader Tester Shield for ESP-01/01S/12E/12F/12S/18T ESP8266 IoF Wireless WIFI Transceiver Module 1.Description: It is a Downloader for ESP-12S/12F/12E/07S/07S/01S/01 WIFI Wireless Module.It has output all GPIO ports for user debugging. 2.Feature: 1>.Super simple operation 2>.Repe... $7.99 SKU: GY17101
$7.99

GFSK Wireless Bluetooth RF Transceiver Module DC 3.3V CC2541 BLE4.0 UART 2.4GHz ISM Low Power Consumption 1.Description: DX-BT05-A is a bluetooth 4.0 serial port module.It can be used for data transmission. 2.Feature: 1>.Support GPIO input and output 2>.Low power consumption 3>.Small and conv... $5.59 SKU: GY16944
$5.59

AC/DC 12V 200ohm Resistor Tester ohmmeter Low Resistance Tester Electrical Instrument LCD Display Impedance Meter 1.Description: It is a LCD display resistance tester which can test the resistance of the load. 2.Feature: 1>.AC and DC dual power supply 2>.LCD high-definition display 3>.High prec... $7.99 SKU: GY16938
$7.99

DC 3V-3.6V Wireless Bluetooth RF Transceiver Module DX-BT04-B BLE2.0 UART 4dBm 2.4GHz DX-BT04-B Wireless Bluetooth RF Transceiver Module 1.Description DX-BT04-B is a bluetooth 2.0 module.It can be connected to a computer to transfer data. 2.Feature: 1>.Data transfer via UART 2>.Co... $5.59 SKU: GY16931
$5.59

8-Channel USB Output Buck Converter 8USB DC-DC Step Down Power Supply Charging Module 5V 5A 1.Description: It is a step-down charging module.The product itself has a power converter.It can be used for mobile phones,tablets,recorders and other equipment with 5V input voltage. 2.Feature: 1>.Anti-re... $9.51
~~$13.59~~ SKU: GY16930
$9.51
~~$13.59~~
30

2-Channel QC2.0 QC3.0 SCP AFC LED Digital Display Buck Converter 2USB DC-DC Step Down Power Supply Module 5V 5A 1.Description: It is a digital display buck module.It has anti-reverse protection and overcurrent protection. 2.Feature: 1>.Digital dispiay 2>.Anti-reverse protection 3>.Overcurrent prote... $8.95
~~$12.79~~ SKU: GY16928
$8.95
~~$12.79~~
30

4-Channel USB LED Digital Display Buck Converter 4USB DC-DC Step Down Power Supply Module 5V 5A 1.Description: It is a digital display buck module.The product has a built-in power converter.It can be used in mobile power,mobile phones,tablets and recorders. 2.Feature: 1>.Digital dispiay 2>.Anti... $7.55
~~$10.79~~ SKU: GY16927
$7.55
~~$10.79~~
30

MNI Digital Power Amplifier Board PAM8403 Class D 5W+5W Stereo Voice Player w/ 18650 Battery Socket 1.Description: XH-A152 is a low power digital power amplifier board.It can insert TF card to play music.The product has a battery holder, which can be installed to charge the battery. 2.Feature: 1>... $4.99 SKU: GY16866
$4.99

Digital Display Battery Charge Controller Discharging Protector 99.9V for Lead-acid or Lithium Battery 1.Description: It is a multifunctional battery charging/discharging controller.It is a digital display charging control board.It has overvoltage and undervoltage protection boards.It can be used for battery charging module. ... $4.82
~~$6.89~~ SKU: GY16861
$4.82
~~$6.89~~
30

Red Blue Digital Display Battery Charge Controller Discharging Protector 99.9V with Shell for Lead-acid or Lithium Battery 1.Description: It is a multifunctional battery voltage control switch.It is a digital display charging control board.It can be used as a battery charging module. 2.Feature: 1>.Digital display &... $5.31
~~$7.59~~ SKU: GY16859
$5.31
~~$7.59~~
31

AC 110V-220V Temperature Hmidity Controller Sensor Module for Cooling Heating Device 1.Description: XH-M453 is a temperature and humidity controller.Adopting single-chip microcomputer control system, integrated temperature sensor and imported integrated sensor, more accurate temperature and humidity measuremen... $5.03
~~$6.99~~ SKU: GY16853
$5.03
~~$6.99~~
29

Red Digital Thermometer Display Screen Module Temperature Meter for DS18B20 Temperature Sensor -55℃~125℃ 1.Description: It is a digital thermometer display screen module for DS18B20 temperature sensor.It is a high-precision digial display with temperature character. 2.Feature: 1>.Digital display &... $3.95
~~$5.49~~ SKU: GY16851
$3.95
~~$5.49~~
29

SCL-10A AMP PWM PV Solar Charge Controller 12Volt 24Volt Solar Panel Battery RV Boat PWM Charging Controller 12V 24V Solar Charge Controller 1.Description: It is a 12V 24V Solar Charge Controller. It can only charge 12V or 24V battery and just can connect to solar generator with rated voltage of 18V. 2.F... $11.19
~~$15.99~~ SKU: GY16701
$11.19
~~$15.99~~
31

Wireless Bluetooth Receiver Audio Transceiver Module MP3 Lossless Decoder Board Transmitter Receiver Support FM U-disk TF Card Audio Signal Input Acrylic Shell 1.Description: It is a Bluetooth Audio Transceiver Module Lossless Decoder.It support Bluetooth/U-disk/TF Card/FM/AUX audio input and remote control.It can not only receive Bluetooth signals, but also send Bluetooth audio sign... $10.59 SKU: GY16700
$10.59

10A AMP PWM PV Solar Charge Controller 12Volt Solar Panel Battery RV Boat PWM Charging Controller 1.Description: It is a 12V Solar Charge Controller. It can only charge 12V battery and just can connect to solar generator with rated voltage of 18V. 2.Feature: 1>.It uses professional chips and so... $7.55
~~$10.79~~ SKU: GY16697
$7.55
~~$10.79~~
30

2.4GHz CC2520 Controller Development Board for ZigBee Wireless Transceiver Module SMA Antenna Socket 1.Description: The CC2520 is TI's second generation ZigBee IEEE 802.15.4 RF transceiver for the 2.4GHz unlicensed ISM band. This chip enables industrial grade applications by offering state-of-the-art selectivity/co-existe... $6.99 SKU: GY16695
$6.99

Temperature Controller Display Intelligent Electronic Temperature Control Thermostat Switch 1.Description: It is a Temperature Controller. It can set temperature control mode, working mode, boot time, intelligent control device. 2.Feature: 1>.Heating work mode 2>.Cooling wor... $6.18
~~$8.59~~ SKU: GY16694
$6.18
~~$8.59~~
28

2.4GHz CC2530F256 Wireless Transceiver Module IOT Controller 2.5mW DC 2.0V-3.6V 1.Description: It is a 2.4GHz CC2530F256 Wireless Transceiver Module. It integrates 2.4GHz IEEE 802.15.4 and ZigBee and RF4CE applications on the SoC, and it can build a powerful network node at a very low cost. ... $10.99 SKU: GY16688
$10.99

ESP8266 WIFI Wirelesss Transceiver Module Support Airkiss Protocol UART TTL Control 1.Description: It is a ESP8266 WIFI Wirelesss Transceiver Module.It base on ESP8266EX controller.It supports data transparent transmission function and Airkiss protocol. 2.Feature: 1>.UART to WIFI ... $5.99 SKU: GY16687
$5.99

ESP8266 WIFI Wirelesss Transceiver Module UART TTL Control Support Airkiss Protocol w/ IPEX Antenna 1.Description: It is a ESP8266 WIFI Wirelesss Transceiver Module.It base on ESP8266EX controller. It supports data transparent transmission function and Airkiss protocol. 2.Feature: 1>.UART to WIFI... $6.25 SKU: GY16686
$6.25

Waterproof DC-DC 3USB Step Down Power Supply Module 9V/12V/24V to 5V 6A Voltage Converter for Driving Recorder 1.Description: It is a Waterproof Non-isolated Step Down Power Supply Converter.It can output three stable 5V voltage from USB. 2.Feature: 1>.Waterproof 2>.ABS flame retardant plastic... $6.15
~~$8.79~~ SKU: GY16685
$6.15
~~$8.79~~
30

Waterproof DC-DC Step UP Down Power Supply Module 9V/12V/24V/36V to 12V 1A Boost Buck Voltage Converter for Driving Recorder 1.Description: It is a Waterproof Non-isolated Step UP/Down Power Supply Converter.It can output stable 12V voltage. 2.Feature: 1>.Waterproof 2>.High-quality metal housing ... $9.51
~~$13.59~~ SKU: GY16684
$9.51
~~$13.59~~
30

Waterproof Non-isolated DC-DC Step Down Power Supply Module 12V/24V/36V to 12V 5A Buck Voltage Converter for Driving Recorder 1.Description: It is a Waterproof Non-isolated Step Down Power Supply Converter.It can output stable 12V voltage. 2.Feature: 1>.Waterproof 2>.ABS flame retardant plastic case 3>.Over volt... $6.29
~~$8.99~~ SKU: GY16683
$6.29
~~$8.99~~
30

Differential Amplifier Board 5Wx2 Digital Class D Stereo Audio Power Amplifier HT8698 DC 3.3V 5V 1.Description: The differential amplifying circuit utilizes the symmetry of the circuit parameters and the negative feedback to effectively stabilize the static operating point, and amplifies the differential mode signa... $5.79 SKU: GY16681
$5.79

BK3254 Bluetooth Power Amplifier 3Wx2 BLE4.1 Stereo Audio Receiver Module Support U-disk TF Card 1.Description: It is a BK3254 Bluetooth 4.1 stereo audio receiver module.It has a built-in amplifier module and can connect to speaker directly. 2.Feature: 1>.Bluetooth 4.1 2>.Audio r... $9.99 SKU: GY16678
$9.99

0.2mmx50m Enamelled Copper Magnet Wire For Electromagnet Motor 1.Description: It is a insulated copper wire. 2.Feature: 1>.Insulated copper wire 2>.Easy and convenient 3>.High softness 3.Parameter: 1>.Hi... $5.99 SKU: GY16352
$5.99

DC 5V 12V RGB LED Sound Control Sensor Audio Spectrum Display Module Volume LED Level Indicator 1.Description: It is a music spectrum display.The displayed LED achieves a very cool effect by inputting the music of the audio from microphone,the amount of automatic brightness and the number of LEDs. 2.Featur... $4.24
~~$5.89~~ SKU: GY16348
$4.24
~~$5.89~~
28

DC 5V 12V RGB LED Mono Sound Control Sensor Audio Spectrum Display Module 1.Description: It is a mono music spectrum display.The displayed LED achieves a very cool effect by inputting the music of the audio from microphone, the amount of automatic brightness and the number of LEDs. 2.... $4.31
~~$5.99~~ SKU: GY16347
$4.31
~~$5.99~~
28

DC 5V 12V Blue LED Voice Sensor Audio Spectrum Display Module Two-channel Input 1.Description: It is a music spectrum display.The displayed LED achieves a very cool effect by inputting the size of the audio, the amount of automatic brightness and the number of LEDs. 2.Feature: 1&... $5.03
~~$6.99~~ SKU: GY16346
$5.03
~~$6.99~~
29

DC-DC Step Down Power Supply Module Buck QC2.0 QC3.0 Charger Module 24W 2-Channel Voltage Converter 1.Description: It is a DC-DC Step Down Power Supply Module Support Fast Charger Function. 2.Feature: 1>.Compatible with multiple fast charge modes 2>.Automatic identification to adapt... $4.19
~~$5.99~~ SKU: GY16345
$4.19
~~$5.99~~
31

4Bit USB DC-DC Step Down Power Supply Module Buck QC2.0 QC3.0 Charger Module 24W 4-Channel Voltage Converter 1.Description: It is a DC-DC Step Down Power Supply Module Support Fast Charger Function. 2.Feature: 1>.Compatible with multiple fast charge modes 2>.Automatic identification to adapt... $5.59
~~$7.99~~ SKU: GY16344
$5.59
~~$7.99~~
31

DC-DC Step Down Power Supply Module IP6518 Buck QC2.0 QC3.0 SCP/FCP AFC Charger Module Voltage Converter 1.Description: It is a DC-DC Step Down Power Supply Module Support Fast Charger Function. 2.Feature: 1>.Compatible with multiple fast charge modes 2>.Automatic identification to adapt... $4.19
~~$5.99~~ SKU: GY16343
$4.19
~~$5.99~~
31

DC-DC Step UP Power Supply Module TPS61088A Boost QC2.0 QC3.0 SCP/FCP Charger Module Voltage Converter 1.Description: It is a DC-DC Step UP Power Supply Module Support Fast Charger Function. 2.Feature: 1>.Compatible with multiple fast charge modes 2>.Automatic identification to adapt t... $3.91
~~$5.59~~ SKU: GY16342
$3.91
~~$5.59~~
30

ESP32-CAM ESP32 5V WIFI Bluetooth Development Board with OV2640 Camera Module 1.Description: The ESP32-CAM has a very competitive small-size camera module that can operate independently as a minimum system, measuring only 27*40.5*4.5mm, with deep sleep current and a minimum of 6mA. ... $7.99 SKU: GY16338
$7.99

1.6inch CPU Info LCD Display Module 84x48 26GPIO Backlight for Raspberry Pi 3B+/3B/2B 1.Description: It is a 1.6inch LCD display screen module for raspberry pi with backlight control switch.It can be used for Raspberry Pi0/Pi1/Pi2/Pi3. 2.Feature: 1>.1.6inch HD display 2&g... $9.99 SKU: GY16337
$9.99

HB100 10.525GHz Microwave Radar Sensor Wireless Intelligent Detector Sensor 2-16M For Ardunio 1.Description: The microwave motion sensor is a microwave moving object detector designed by the Doppler radar principle. Unlike general infrared detectors, microwave sensors detect the motion of an object by detecting the mic... $7.19
~~$9.99~~ SKU: GY16336
$7.19
~~$9.99~~
29

SX1278 LoRa Wireless WIFI Transmitter Module RA-02 DC 1.8V-3.7V 1.Description: The SX1278 transceivers feature the LoRa long range modem that provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. ... $6.99 SKU: GY16335
$6.99

TS472 Low Noise Microphone Preamplifier Module Electret Microphone 1.Description: The TS472 is a differential-input microphone preamplifier optimized for high-performance PDA and notebook audio systems. This device features an adjustable gain from 0 to 40 dB with excellent power-su... $6.29 SKU: GY16333
$6.29

DC 12V 24V TPA3116D2 Wireless Bluetooth Digital Amplifier Module BLE5.0 Stereo 50W+50W 4ohm Power Amplifier 1.Description: XH-A304 is a Digital Bluetooth Power Amplifier Board.It has a built-in amplifier module that can directly drive the speaker. 2.Feature: 1>.Bluetooth 5.0 2>.Built-in amp... $8.69 SKU: GY16332
$8.69

DC 12V YDA138-E Digital Amplifier Module Stereo 10W+10W 8ohm Class D Power Amplifier 1.Description: XH-A352 is a Yamaha Digital Power Amplifier Board. It has a built-in amplifier module that can directly drive the speaker 2.Feature: 1>.Built-in amplifier 2>.Two-channe... $4.99 SKU: GY16331
$4.99

Battery Capacity Tester mAh mWh for 18650 Lithium Battery Voltage Discharge Capacity and Discharge Energy 1.Description: It is a Lithium battery capacity tester.It is used to test the voltage, discharge capacity and discharge energy of a 18650 lithium battery. 2.Feature: 1>.Dual working power supply ... $4.54
~~$6.49~~ SKU: GY16328
$4.54
~~$6.49~~
30

DC-DC Step UP Down Power Supply Module Adjustable 20W Boost Buck Voltage Converter Positive & Negative Dual Output 5V-24V to +/-3V-30V for Amplifier 1.Description: It is a Adjustable Dual Output Step UP/Down Power Supply Module with input DC 3.6V~30V and output DC +/-3V~30V. 2.Feature: 1>.Low ripple 2>.High efficiency 3... $5.24
~~$7.49~~ SKU: GY16078
$5.24
~~$7.49~~
30

DC-DC Step UP Down Power Supply Module Boost Buck Voltage Converter Dual Output 3V-24V to +/-18V for Amplifier 1.Description: It is a Dual Output Step UP/Down Power Supply Module with input DC 3.7V~24V and output DC -18V and +18V.It can provide stable +/-18V output.It can maximum output 0.25A at each output. 2.Feature: ... $4.12
~~$5.89~~ SKU: GY16077
$4.12
~~$5.89~~
30

DC-DC Step UP Down Power Supply Module Boost Buck Voltage Converter Dual Output Isolated Module DIEN36PA 5V-33V to +/-15V for Amplifier 1.Description: It is a Dual Output Step UP/Down Power Supply Module with input DC 5V~33V and output DC -15V and +15V.It can provide stable +/-15V output.It can maximum output 0.55A at each output. 2.Feature: ... $7.55
~~$10.79~~ SKU: GY16076
$7.55
~~$10.79~~
30

DC-DC Step Down Power Supply Module Buck Voltage Converter 4Bit 3.3V 5V 12V Adjustable Output 1.Description: It is a Step Down Power Supply Module with input DC 4.5V~30V and output DC 2V~28V. It can output three stable 3.3V/5V/12V voltage and one adjustable output voltage. 2.Feature: 1>.Low... $7.41
~~$10.59~~ SKU: GY16075
$7.41
~~$10.59~~
30

SD30CRMA Solar Panel MPPT Controller 3.7V 7.4V Lithium Battery Charging Module 1.Description: It is a Solar Panel MPPT Controller. It can be used a charger or a step down power supply module. 2.Feature: 1>.Solar charging 2>.Work indicator 3>.High e... $4.19
~~$5.99~~ SKU: GY16074
$4.19
~~$5.99~~
31

650nm 5mW 3V Laser Red Cross Symbol Module Red Laser Diode Laser Pointer Horizontal Positioning Light 1.Description: It is a 650nm 5mW 3V Red Cross Laser Module.Its effect is a dot that can be used for horizontal positioning, pointing point and so on. 2.Feature: 1>.Continuous laser 2>... $5.35 SKU: GY16071
$5.35

650nm 5mW 3V Laser Red Dot Module Red Laser Diode Laser Pointer Horizontal Positioning Light 1.Description: It is a 650nm 5mW 3V Red Dot Laser Module.Its effect is a dot that can be used for horizontal positioning, pointing point and so on. 2.Feature: 1>.Continuous laser 2>.V... $5.99 SKU: GY16070
$5.99

QA-1/155 0.25mm 100g Polyurethane Enameled Copper Wire Electromagnetic Wire 2UEW For Transformer Wire Inductance coil 1.Description: It is a QA-1/155 insulated copper wire. 2.Feature: 1>.Insulated copper wire 2>.Easy and convenient 3>.High softness 3.Parameter: ... $8.29 SKU: GY16068
$8.29

QA-1/155 0.07mm 100g Polyurethane Enameled Copper Wire Electromagnetic Wire 2UEW For Transformer Wire Inductance Coil 1.Description: It is a QA-1/155 insulated copper wire. 2.Feature: 1>.Insulated copper wire 2>.Easy and convenient 3>.High softness 3.Parameter: ... $14.99 SKU: GY16067
$14.99

AC 220V DC 12V WIFI Relay Switch ESP-12F Remote Control Smart Home ESP8266 Relay Module 1.Description: LC-Relay-ESP12-1R-MV single relay development board onboard ESP-12F WiFi module, I/O orifice full lead ,support AC90-250V/DC7-12V/USB 5V etc.many supply power way. Provide Arduino develop environment reference c... $7.99 SKU: GY16060
$7.99

DC 3.3V 5V CH9121 Ethernet Network Module UART to RJ45 Converter TCP/IP 100M 802.3 1.Description: It is a UART to RJ45 Ethernet Network Converter Module with CH9121 controller.The CH9192 has built-in TCP/IP communication protocol.It can realize two-way transparent transmission of network data packe... $10.59 SKU: GY16057
$10.59

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