ESP relayx4¶

ESP-01 (8266EX) with 1M memory

baud_rate: 115200 # speed to STC15L101EW

Open relay 1: A0 01 01 A2
Close relay 1: A0 01 00 A1
Open relay 2: A0 02 01 A3
Close relay 2: A0 02 00 A2
Open relay 3: A0 03 01 A4
Close relay 3: A0 03 00 A3
Open relay 4: A0 04 01 A5
Close relay 4: A0 04 00 A4