Watch this new Lab Talk and learn about clever circuits, techniques and hacks from 3D printing to RF, with hands-on ideas for curious engineers and makers.

In a recent article in Elektor magazine, [Clemens Valens] describes the construction and software for an ESP32 walkie-talkie system that uses ESP-NOW for the wireless connection between units, alon… ...

There’s no shortage of Geiger counter projects based on the old Soviet SBM-20 tube, it’s a classic circuit that’s easy enough even for a beginner to implement — so long as t… ...

A DIY Game & Watch with two screens using ESP32-S3 was created by u/slowlane1. The project includes running Oil Panic, Safebuster, and Pinball, powered by Li-ion batteries. Schematics for single and ...

Among those are the power of microcontrollers to create your own gear, and the Ultimate ESP32 Course Bundle opens the door to some truly amazing DIY gear. Typically $200, it's on sale for only $49 ...

While some details haven’t been finalized yet, the basic elements include an ESP32-S3 system-on-a-chip combined with a small E Ink display and a custom printed circuit board with a QWERTY keyboard.

But this model is powered by a modern, low-power ESP32-S3 processor (with two low-power Xtensa LX7 32-bit microprocessors running at 240 MHz and support for WiFi 4 and Bluetooth 4.2 LE. And it has ...

Helium based DIY GPS vehicle tracker with RYS8839 and RYLR993 and ESP32 (LoRaWAN) - Full Guide. Posted: May 6, 2025 | Last updated: July 12, 2025 ...