Can we trigger the relay from the ESP32 GPIO , the relay is directly connected with the board and its not a Relay Module.
its a 3V songle relay., looks like the amp coming from the gpio is not enough to trigger the relay.
Regards
3V relay Control Direct from ESP32 GPIO
-
- Posts: 9730
- Joined: Thu Nov 26, 2015 4:08 am
Re: 3V relay Control Direct from ESP32 GPIO
In general, that's a very bad idea as back-EMF of the relay coil can kill the ESP32. Suggest you use a transistor/mosfet to turn it on, as well as a flyback diode for back-EMF protection.
Who is online
Users browsing this forum: No registered users and 60 guests