This is a library for the laser particle sensor module PM2005 manufactured by Wuhan Cubic Optoelectronics. The PM2005 module counts airborne particles of different sizes in catagories of 0.3, 2.5, and ...

So you want to control some mains electrical (or lower voltage) item using your phone, perhaps? This single ESP8266 plug-in controls a relay that is built in to the module. An Android app (.apk) ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

In electronic and industrial automation systems, relay modules play a crucial role by allowing low-power control signals to switch high-power devices. Selecting between a 5V relay module and a 12V ...

Building IoT projects with touchscreens used to be a headache, involving numerous components, messy wiring, and endless troubleshooting. But the ESP32-S3 Box-3 makes things way easier. It is an all-in ...

Impulse relay is a viable alternative for lighting control from multiple locations. In modernistic houses and apartments, lighting schemes to control lights from two or more locations are becoming ...

Indoor track fans that wanted to see Group 4’s best duke it out in the relays will have to wait just a little longer. Due to a winter storm that is expected to start early Sunday morning and could see ...

Abstract: To investigate the response patterns of the relay module to conducted electromagnetic interference (EMI), a conductive susceptibility experiment was carried out using direct injection method ...

SAINT-DENIS, France — With about 200 meters left in the women’s 4×400 relay race, Sydney McLaughlin-Levrone and Gabby Thomas started walking on the track. Naturally, perhaps even subconsciously, they ...