Intelligent SPDT Relay Module for USB
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USB controlled relay board featuring an addressable SPDT relay rated 10A @ 250VAC. Onboard microcontroller & CH340T USB - serial controller chips.
Power: 5V USB Port
Control Input: USB Type A Male
Output: 3 Position Terminal Strip
LED Power Indicator
LED Relay Status
Communication: Serial 9600bps,8 Data + 1 Stop bit,
No parity
Commands are HEX code
1 Start: A0
2 Switch code: 01 Default is 0 (first Relay)
3 On/Off: 01/00
4 Check: A1
Close Relay: A0 01 00 A1
Open Relay: A0 01 01 A2
L: 2-1/2” W: 5/8” HT: 3/4” WT: .04
