I turned my phone into a thermal camera with the RISION Magic Pro

I tested the $299 RISION Magic Pro USB-C thermal camera to see how well it turns your phone into a useful heat-testing tool.
XDA Developers

This ESP32 weather display uses a human presence radar to light the screen when someone's close

ESP32 weather display pulls Open-Meteo and shows time, current, and upcoming forecasts. Millimeter-wave human presence radar wakes the screen only when someone is nearby to save power. Freenove ESP32 ...

Build a Clock with Wave Share ESP32 C6 Touch AMOLED 2.16

Build your own DIY ESP32 desk clock using the Wave Share ESP32C6 Touch AMOLED 2.16 board. Access source code and use the ...

ESP32-H2 Brings 20mA Active Power to Zigbee IoT Devices

The ESP32-H2 microcontroller offers ultra-low power for Zigbee smart home devices. It draws just 20mA compared to the 77mA of ...
YAHOO!

Your CPU has multiple temperature readings, and one might be making your fans scream

It's easy to fall into the trap of thinking of hardware temperature as one-dimensional: one GPU temperature, one RAM temperature, and one CPU temperature. However, almost every one of those components ...
BIOENGINEER

Cheap Soil Sensors Meet Machine Learning to Read Nutrients in Real Time

For decades, knowing what lies beneath a farmer’s feet has meant one thing: bagging up soil, sending it to a laboratory, and ...
XDA Developers

These 6 ESP32 projects prove that plugging everything into a wall was never the right answer

Every ESP32 project I’ve built followed the same path. I found an outlet, ran a cable, and plugged it in. That’s the easiest ...