Stemvolt 1 Channel 5V Relay Module without Optocoupler Electronic Components Electronic Hobby Kit
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This is a 1 Channel 5V Relay Module without Optocoupler for Arduino, be able to control various appliances, and other equipment with large current. It can be controlled directly by Micro-controller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).5V 1-Channel Relay interface board, and each one needs 15-20mA Driver Current.