The postage stamp-sized chip can store a hidden message that is only revealed when exterior humidity levels surpass 60 percent. The image can then be concealed again by bringing humidity back down. In ...

Back in the 80s, buying a home computer could easily mean an inflation-adjusted cost of thousands of dollars (or your equivalent currency unit of choice), and all for an 8-bit machine that might ...

These projects look good on ePaper.

In the long ago, pre-internet days when your clock project wasn’t an ESP32 getting its timing via NTP over WiFi, it was still ...

V2X2MAP is an open-source receiver and live map for ITS-G5 / V2X traffic working with ESP32-C5 board over 5.9 GHz WiFi.