Having problems with ESP-01s and relay. getting it to work

[nickrout]

4 channel Relay ESP8266 Wifi board WORKING with esphome

Hi all, I’m posting my integrations with a 4 channel relay board which is both cheap and easy to configure. Board can be found here link to banggood It hosts a detachable ESP-01 (8266EX) with 1M memory. [IMG_3810] issue is that the ESP8266 is not using GPIO pins to trigger the relays, an additional processor is on board to do that called an STC15L101EW From the datasheet it turns our that this chip uses UART to communicate with the ESP8266. So steps to get this working with esphome. g…