Hey there. First, I want to say thank you for taking the time to look at my project and give me your pro opinion or solution. I have the following issue: I have 2 relays, plugged/supplied by independently thru 5v 1A (as seen on the picture from Taugrus USB hub). Each relay 5V pin near the control…

With the circuit off, using a continuity buzzer on a multi-meter, check all tie points of your circuit. Everything that should be tied together should buzz. Nothing that should not be tied together, should not buzz. If everything checks out, turn the system on, then check voltages at all points.

Hi, Main question are like "WHERE is ground" etc. See this page for suggestions: https://arduinoinfo.mywikis.net/wiki/Arduino-Project-Planning-Electrical

Hi, Please read the first post in any forum entitled how to use this forum. http://forum.arduino.cc/index.php/topic,148850.0.html then look down to item #7 about how to post your code. It will be formatted in a scrolling window that makes it easier to read. OPs pics. [220vRelay.jpg] Can you p…

Thank you guys for your replies, but unfortunately after changing some stuff, things continue to be the same. What did I change? Basically I change the wire for the lamp and moved it to Relay #1. Wire is enough for light appliances and it is with 2 wire isolated. I also grounded Relay#1, thru the …

Hi, Ops circuit. [esp32pic.jpg] What is the other PCB apart fromn the ESP32? It doesn't show in your circuit. Please use a pen and paper drawn circuit and include EVERYTHING as well as your power supplies. Thanks.. Tom.. :slight_smile:

Hi, What are these pcb? [esp32picrelay.jpg] Tom... :slight_smile:

Thank you for checking on my problem. The big PCB you see on the picture is just a power supply bus. I didnt like the breadboard so I soldered my own, so It is only to provide me with L N. The small one hanging from the box is the plugable terminal for the DS18b20. Sample here: [image] DS…

The big PCB you are so curious about it ;D on the picture. Hope this help to give me a solution. Thank you again! [PCBPowerBUS.jpg]

Hi, Have you got any bypassing capacitors on your power PCB? [62916b4769b55ae92147ac8f82f118e541ae605f.jpg] What voltages do you have on that bit of board? Can you please post a copy of your circuit, in CAD or a picture of a hand drawn circuit in jpg, png? Please get a pen and paper out and dr…

I know you are curious fella, so I made this video for you! I am not good in schematics. I tried to use fritzzing few months ago, and lost myself in the connections. [ - YouTube]

220v Relay interfering with the other Relay and ESP32

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220v Relay interfering with the other Relay and ESP32

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