SainSmart USB 4 Channel Relay Automation (5V)
- NOYITO 2-Channel Micro USB Relay Module is equipped with a stable USB to serial port chip and a microcontroller. It can use the serial port debugging software to send serial commands on the computer to control the opening and closing of the 2-channel relay..
- Onboard high performance microcontroller chip, CH340 USB control chip.With power LED indicator and relay status LED.On-board 2-channel 5V, 10A/250VAC, 10A/30VDC relay, long relay life, can work 100,000 times continuously..
- Module with overcurrent protection and relay diode freewheel protection..
- NOYITO 8-Channel Micro USB Relay Module ASIN:B09RGTSHHW.
- NOYITO 4-Channel Micro USB Relay Module ASIN:B09RGVQXXT.