| A reliable human presence sensing with a 24GHz Radar module
PeterN (29)
| 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...
| An additional wire for a wireless device :-) to extend the working range
| eCO2 monitor that indicates poor air quality via a TELEGRAM message, a local display and a web interface
| A very simple analog circuit for levitating small objects, which is the essence of many enlightening discussions and experiments with some m...
| A bit of ANNEX32-BASIC-script-code to control an ESP32 based pan/tilt servo CAM. No ARDUINO-Code, no compiling … just run the interpreter on...
| This model airplane banner shows the time and some local online weather information
| A cheap Traffic-Light-style gas detector (ESP32 + CCS811 + 3 LEDs) that gives an indication of when to open the windows in a room with a lot...
| An object that creates a calming atmosphere of sound and light effects
| A simple RS232 sender for initializing a device with RS232-control-interface - here e.g. a "TGR1_040" RF-signal generator.