5V Relay Module with ESP8266

[@jacekk6913]

That's because ESP has high level of 3.3V, and module uses high level 5V. So ESP's 3.3V is still low for that module. Best is to use optoisolated relay module. There should be no problem like that there.

[@agrodigital92]

May I know which dashboard you are using on Localhost

[@dhanushnaidu]

Node-Red

[@stevostevo5675]

i have the same issue with nodemcu board and this relay module...

[@educationalinfo4you894]

sir my relay always on why

[@jockethebastard]

Same here, did you find a solution?

[@poornaviswanath9328]

Did you know why

[@DailyFollow]

Same problem

[@DailyFollow]

​@@poornaviswanath9328why?