Self-triggering of ESP8266 relay during power surges

[ZX80]

Relays triggers on boot of ESP-01

I am using the following 8622 replay module: https://www.aliexpress.com/item/4001108959192.html. Whenever the device is switched on (with the ESP01 plugged), or reboots, the relay is triggered. As I am wanting to use this to control my garage door, this is less than ideal. I think I probably need a pullup or down resistor somewhere and I have tried putting one in but it seemed to make no difference. The pin that triggers the relay is GPIO0. Another approach would be create a hack which result…