The Oura Ring 4 Ceramic is currently priced at $500, which is on the pricier end for a health tracker. The regular Ring 4 is ...
Chen Liang (陳亮) has found an interesting use case for the Espressif ESP32-C5: a dual-band Wi-Fi analyzer showing the signal ...
In the February 2024 issue of Model Railroader, we reviewed the direct-current version of the Siemens ALC-42 Charger diesel ...