| A WOKWI Project Example for a WC occupied/free display built with an ESP32, two MAX7219 modules, and programmed with the ANNEX32 BASIC Inter...
PeterN (33)
| A WOKWI Project Example for a WC occupied/vacant display built with an ESP32, two MAX7219 modules, and programmed with the ANNEX32 BASIC Int...
| Reliably detecting human presence is not easy. The HLK-LD2410 sensor uses 24 GHz frequency-modulated continuous wave (FMCW) radar technology...
| As I started to delve a little into the possibilities of AI, I wondered if ChatGPT could help me with unfinished old hardware and software p...
| An ESP32-based NTP-interface for elder Gorgy Timing LED clocks. It replaces a DCF77-receiver and a plug-in interface.
| A reliable human presence sensing with a 24GHz Radar module
| This monitor sends air quality messages on Telegram and shows it on an RGB LED strip and web interface. It uses a CCS811 gas sensor that det...
| My dear wife asked me to provide the kitchen spots with a "non-Alexa" switch in order to be able to turn on the lights even with floury or...
| Here is a great conversation starter: a simple device for levitating small objects. Build one and impress your friends. It is small, and the...
| An additional wire for a wireless device :-) to extend the working range