These open-source ESP32 walkie-talkies use ESP-NOW to exchange audio recordings without a Wi-Fi router, with Arduino firmware ...

The engine has no framebuffer at all. Instead of drawing a picture in memory and sending it out, the Uno works out every line ...

A team led by Assistant Professor Tural Khudiyev at the NUS College of Design and Engineering has built a fibre that is both a line of pixels and a touch sensor, and wove 54 of them into a sleeve. NUS ...

Witchcraft and Alchemy came up with one answer and it is this stunning purple 5-segment display. People like me say “vacuum tube” when talking about Nixie tubes, but that term is a bit misleading. The ...

Last time, I used an Arduino to build a small clock that retrieves the time via Wi-Fi.Click here for the previous article: I ...

That's where the Raspberry Pi Dashboard comes in. This simple PHP dashboard gives you all the information you could want ...

All that remains is the grid. When held at 0 V, it turns off all the segments, regardless of the potentials driving them.

A reTerminal ESP32 with a 7.3 inch color e paper plots 40 aircraft in a 75 km radius and lists key flight stats.

Before the advent of effective semiconductor LEDs many display types existed to display things like numbers and other ...

SquachWatch turns an ESP32 CYD into a standalone WiFi/Bluetooth scanner for trackers. Detects Flock cameras, body cams, ...

Choose the right ESP32 microcontroller for your next project. We compare the dual-core ESP32S3, Wi-Fi 6 capable ESP32C6, and ...

A tiny 200x200 e-paper and ESP32 combine with a custom driver to transform sluggish refreshes into smooth gameplay.