Recent content by Alex38

My bad, your right ! PMP/ACT2 is link with Power +....

You have to connect : GND on the relay <-> PMP/ACT2 GND, IN1on the relay<-> PMP/ACT2 Vss on the relay <-> 5 v somewhere on the card (5v of lcd or buzzer for example)

You can You should read that page : In-Depth: Interface Two Channel Relay Module with Arduino

Yes, it's in 12 V and it's much louder than the black tiny buzzers.

The wifi signal is quite good, I didn't had to use external antenna for the wemos pro. The Cfgi is redundant in my home, but I had it in a box, so... For the emergency stop, It cut everything and use an Mx coil ( €4.68 |MCB avec disjoncteur Miniature Shunt Trip DZ47S 63 avec libération sans...

Hello, I wanted to thank RollE2k and pocketmon for their work and present my set-up : Everything works, but I have to fine tune the PID. I will maybe add a socket to heat sparge water when I brew and use the box with brewpiless by switching the wemos when I do not brew.