Four relay ESP8266-ESP01 example
Shows a WiFi switch controller using ESP8266 ESP01 driving four relays. Three relays are on the second board for a two PCB stacked configuration and the fourth relay is wired separately.
Shows a WiFi switch controller using ESP8266 ESP01 driving four relays. Three relays are on the second board for a two PCB stacked configuration and the fourth relay is wired separately.