Sold by German DIY store OBI, the OBI Energy Tracker is a €15 set of two devices, one of which you essentially stick on top ...
Learn how to repurpose your spare ESP32 boards into cost-effective presence detection sensors using the Tommy Sense ...
After previously fixing an overly bright picture from a Voodoo graphics card with a simple resistor on one of the RAMDAC’s ...
Learn how Network Time Protocol (NTP) works, why accurate time matters, how NTP calculates clock offset and network delay ...