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- 21 May 2022, 19:56
- Forum: ESP Easy: Hardware
- Topic: Problem: ESP1 triggers relay on power-on/reset
- Replies: 17
- Views: 15136
Re: Problem: ESP1 triggers relay on power-on/reset
One way to do it is to control relay by transmitting serial characters from the ESP-01 rather than controlling an OUTPUT pin. HW-655 is a ready relay board for ESP-01 where relay is controlled by Serial.write. The board includes ESP-01 module but it can also be controlled directly via exposed serial...