Pump Wiring: Connect the 220V AC pump to the relay’s Normally Open (NO) and Common (COM) terminals. Make sure the live (L) ...

One of the first projects that most people do on an Arduino is to light up or flash an LED. It seems ultra-simple because it ...

The Arduino has long been a staple of the maker community. Longer than 3D printing has been as popular as it is, in fact. So, ...

Rick] had a problem. His garage refrigerator was tasked with a critical duty—keeping refreshing beverages at low temperature.

Discover how the Arduino Opta Pro can be leveraged beyond its industrial roots for smart home and DIY automation. In my article, I share hands‑on insights, practical code examples, and hardware ...

If you’ve got an old black and white TV, it’s probably not useful for much. There are precious few analog broadcasters left ...

This article explains an upgraded smart solid-state AC switch system that uses microwave Doppler radar instead of traditional ...

Before you begin, you'll need an OpenAI API key - create one in the dashboard here. Create a .env file from the example file and set your API key in there: This application shows how to send and ...

I have enabled local fallback and it does not seem to be working. When i press the physical buttons, I can not hear the relays switching when i stop my HA virtual machine. (when i assign them to relay ...