Zigbee is a protocol that has been around for quite a long time, and you can purchase many cheap smart sensors to incorporate into your own Zigbee network. Zigbee is its own network, meaning that it ...

There are already quite a few controller boards for DIY smart home projects. But hardly any are as well-equipped and as small as this one: In fact, it is only 21 x 17.5 mm in size, but can handle ...

The Chinese chip manufacturer Espressif is known for its cheap and widely used microcontrollers with integrated WLAN, ESP8266 and ESP32. The new ESP32-P4 is significantly more powerful because it ...

The f32 measures just 9.85mm x 8.45mm and is powered by the ESP32-C3FH4 microcontroller. It was developed primarily for research purposes and as part of a stress test to push the limits of ESP32 ...

The Waveshare ESP32-P4-Nano is a tiny, inexpensive, low-power development board powered by a dual-core RISC-V processor. Available now from Waveshare or AliExpress for around $19 and up, the little ...

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 they don’t get bitten by the ...

Whenever there’s a superlative involved, you know that degree of optimization has to leave something else on the table. In the case of [PegorK]’s f32, the smallest ESP32 dev board we’ve seen, the cost ...