I'm trying to program a ESP01s on a relay board, but it won't boot when in the relay board?

[sender]

I remember something elso from this PITA board…

Small binary sensor

Thanks, @MatthewFlamm What unit? I have a few but find it hard to find out “what” to do. @Troon Yes, dead easy?, but your link is not for me… What device can I use? How and what pins to use? FWIW, I an not using an RPI… run on a VM. And the “binary input” is needed for e.g. a doorbell, motion sensor (radar), switch somewhere to activate a scene, etc… I would love to have e.g. a VERY simple PCB like below, but then with a NO (Normally Open) input… [image] (BTW, it took me HOURS to get above …

See picture, I had to connect 2 pins (see picture - little small metal on the bottom right of the picture) then it worked… but now I prefer the D1 mini…