The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...

It’s always nice to simulate a project before soldering a board together. Tools like QUCS run locally and work quite well for ...

I’ve been testing out the RYB2340 Bluetooth module, and it’s honestly one of the simplest ways I’ve found to add wireless control to Arduino or ESP8266 projects. In this video, I’ll walk you through ...

In this video I'm using the Reyax RYRR30D NFC module to create a system that logs records to a Notion Database. The RYRR30D ...

We use WhatsApp almost every day so much that it has become an unavoidable part of our routine. From a simple “good morning” ...

Flash Bee is an easy-to-make DIY handheld lightning detector based on an ESP32-C3 board, a round display, and AMS AS3935 ...

When I wrote about a DIY ESP32-S3 internet radio last week, "raspbeguy" commented he'd rather choose an ESP32-based DIY DAB+ ...

The New York Times writer M. Gessen always disliked their younger cousin Allen. But then he did something so bad, even M. was surprised – and they realized they didn’t know Allen at all. See more of ...

It’s a common ritual: whipping out those calipers or similar measuring devices to measure part of a physical object that ...

People like typologies. They simplify complex subjects and make them easier to discuss. Sometimes, a typology will seem to be the standard. Look up “types of serial killers,” and you’ll likely get the ...

Every company prides itself on giving customers what they ask for. Healthier fast-food products. Nicotine-free cigarettes. Bigger engines in cars. After all, giving people what they want will ...

The internet is losing its mind at the price, but Razer's 20th-anniversary reboot of its legendary Boomslang mouse is collector candy for retro-tech lovers with deep, deep pockets. I got my hands on ...