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DC6V-120V 30A Lead-acid Battery Voltage Monitor, Lithium Battery Charge Discharge Controller Protection Board 1.Description: The battery charging control module is a module that controls the power supply of the charger. It can realize automatic power off after the battery voltage exceeds the preset value. 2.Feature: 1>.Su... $6.65
~~$9.50~~ SKU: GY21162-1
$6.65
~~$9.50~~
30

DC 5V 5W Mono Voice Playback Module, 9-Channel Music Power Digital Amplifier 32Mbit Flash MP3 WAV UART Controller for Arduino 1.Description: DY-F5WL is a DC 3.7V-5V 5W Mono Voice Playback Module which can be trigger play by 9 input signal. It is a one-on-one segmented trigger control player that supports MP3 and WAV decoding formats; 9 input signal can... $4.19
~~$5.99~~ SKU: GY21181-1
$4.19
~~$5.99~~
31

DC 12V 24V 20W Mono Voice Playback Module, 9-Channel Music Power Digital Amplifier 32Mbit Flash MP3 WAV UART Controller for Arduino 1.Description: DY-F20L is a DC 9V 12V 24V 20W Mono Voice Playback Module which can be trigger play by 9 input signal. It is a one-on-one segmented trigger control player that supports MP3 and WAV decoding formats; 9 input signal... $4.68
~~$6.69~~ SKU: GY21180-1
$4.68
~~$6.69~~
31

DC5V 5W Mono Voice Playback Module, 9-Channel Music Power Digital Amplifier 32Mbit Flash MP3 WAV UART Controller for Arduino 1.Description: DY-SV20F is a DC 3.7V-5V 5W Mono Voice Playback Module which can be trigger play by 9 input signal. It is a one-on-one segmented trigger control player that supports MP3 and WAV decoding formats; 9 input signal ca... $2.79
~~$3.99~~ SKU: GY21179-1
$2.79
~~$3.99~~
30

L293D DC Motor Driver Module L293D Shield MCU Controller for ARD-UNO R3 1.Description: It is a L293D DC Motor Driver Module L293D Shield MCU Controller for ARD-UNO R3. 2.Feature: 1>.Dual output, single current 1A 2>.Suitable for DC motor such as N20 ... $16.99 SKU: GY20842-1
$16.99

FLASH 24/25 Programmer, SPI USB Automatic Programming Microcontroller for 256M/512M 24/25 Series FLASH 1.Description: It is a FLASH 24/25 Programmer SPI USB Automatic Programming Microcontroller for 256M/512M 24/25 Series FLASH. 2.Feature: 1>.Drive free, offline replication 2>.Automatically iden... $7.69
~~$10.99~~ SKU: GY20845-1
$7.69
~~$10.99~~
31

Battery Charge Controller, DC 1V-120V Battery Voltage Monitor Protector Lithium/Lead-Acid Battery Tester 1.Description: It is a Battery Charge Controller DC 1V-120V Battery Voltage Monitor Protector Lithium/Lead-Acid Battery Tester. 2.Feature: 1>.Protect the battery from overcharge 2>.Start voltag... $9.09
~~$12.99~~ SKU: GY20772-1
$9.09
~~$12.99~~
30

DC 12-36V 500W Brushless Motor Drive Controller Board, Hall BLDC Motor Control Driver Board 1.Description: It is a DC 12-36V 500W Brushless Motor Drive Controller Board with Hall Motor Balanced Vehicle Drive. 2.Parameter: 1>.Operating Voltage: DC 12V-36V 2>.Operating Current: &l... $11.19
~~$15.99~~ SKU: GY21056-1
$11.19
~~$15.99~~
31

DC 12V 12W Fan Speed Controller 0%-100% PWM Adjustable Driver Module 1.Description: The fan speed controller can be used to adjust the rotation speed of 12V server cooling fan. It has two interfaces, which are a power socket and a Type-C interface. 2.Feature: 1>.The Type-C interfac... $3.49
~~$4.99~~ SKU: GY21140-1
$3.49
~~$4.99~~
31

DC 12V 3A 4Pin PWM Fan Speed Control Module Automatic Temperature Controller NTC Sensor for 3000mA Fan 1.Description: Fan speed control module automatic temperature controller can automatically adjust the speed of fan according to the actual temperature. When the temperature is too low, it can made the fan stop running. 2.Fe... $6.20
~~$8.85~~ SKU: GY21116-1
$6.20
~~$8.85~~
30

DC8V-60V Battery Voltage Monitor, Lithium Battery Undervoltage Protector Discharge Controller Protection Board 1.Description: It is a battery discharge monitor. It can be used for discharge safety protection of various accumulators and lithium batteries. It can effectively protect the battery from over-discharge, thus affecting the servic... $11.19
~~$15.99~~ SKU: GY21138-1
$11.19
~~$15.99~~
31

DC 5V Fan Speed Control Module, Automatic Temperature Controller NTC Sensor for 500mA Fan 1.Description: The intelligent fan temperature controller is used for adjusting the fan speed according to the actual temperature. 2.Feature: 1>.Automatic recognition of positive and negative poles. 2>.... $5.15
~~$7.35~~ SKU: GY21115-1
$5.15
~~$7.35~~
31

SWD USB Programmer Downloader Emulator for STM32 Controller 1.Description: It is a 3.3V/5V SWD/USB Programmer Downloader Emulator for STM32 Controller. 2.Feature: 1>.Support SWD interface 2>.Support Virtual serial port 3>.Support all chips b... $4.68
~~$6.69~~ SKU: GY20887-1
$4.68
~~$6.69~~
31

DC 0-99.9V Voltage Monitor Module Programmable Delay Relay Switch Controller Battery Protector 1.Description: A30-U1 is a DC 99.9V Voltage Monitor Module with Delay. It can flexibly set detection upper and lower limit voltage values and set triggering conditions.It can realize functions such as voltage detection, overvoltage and... $14.99 SKU: GY21111-1
$14.99

Battery Discharge Controller, DC 8V-86V Battery Voltage Monitor Protector Lithium/Lead-Acid Battery Tester 1.Description: It is a Battery Discharge Controller DC 8V-86V Battery Voltage Monitor Protector Lithium/Lead-Acid Battery Tester. 2.Feature: 1>.Battery overvoltage or undervoltage protection 2>... $10.49
~~$14.99~~ SKU: GY20771-1
$10.49
~~$14.99~~
30

DC 12V 24V 50W Mono Voice Playback Module, 9-Channel Music Power Digital Amplifier, 64Mbit Flash MP3 WAV UART Controller for Arduino 1.Description: DY-HL50F is a DC 12V 24V 60W Mono Voice Playback Module which can be trigger play by 9 input signal. It is a one-on-one segmented trigger control player that supports MP3 and WAV decoding formats; 9 input signal c... $9.45
~~$13.50~~ SKU: GY21102-1
$9.45
~~$13.50~~
31

DC 12V 24V 30W Mono Voice Playback Module, 9-Channel Music Power Digital Amplifier, 64Mbit Flash MP3 WAV UART Controller for Arduino DY... $8.39
~~$11.99~~ SKU: GY21101-1
$8.39
~~$11.99~~
30

Battery Voltage Monitor, DC 12V Low Voltage Disconnect Switch Over Charge Discharge Controller Protection Board for DC 0-99.9V Lead Acid Lithium Battery 1.Description: It is a DC 0-99.9V Battery Charge Discharge Voltage Monitor. It can input voltage from DC 0-99.9V Battery with relay switch output which can controller DC or AC various equipment. It can set battery discharg... $5.59
~~$7.99~~ SKU: GY21059-1
$5.59
~~$7.99~~
31

DIY Infrared Remote Control Car Kit, C51 Microcontroller Electronic Assembly and Soldering DIY Kits 1.Introduction: D2-4 is a Infrared Remote Control Intelligent Car DIY Kit. Users can control various operating states of the smart car through an infrared remote control, such as forward, turns left, turns right, stop, and also ... $6.99
~~$9.99~~ SKU: GY21099-1
$6.99
~~$9.99~~
30

DC 5V 4-Digit Electronic Clock DIY Kit, STC11FO4E Microcontroller Electronic Circuit Board for Soldering Practice and Learning 1.Description: This kit uses the STC11FO4E microcontroller, which is a single-clock/machine cycle (1T) microcontroller produced by STC. This microcontroller is compatible with the instruction set of traditional 8051 microc... $4.89
~~$6.99~~ SKU: GY21091-1
$4.89
~~$6.99~~
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