| Bijzienden kennen het probleem maar al te goed: het aflezen van de tijd gedurende de nacht is moeilik of zelfs onmogelijk zonder bril. Daaro...
gfaman (43)
| Display on a webpage a serial debug trace send by Wifi. Use an ESP32 with small olded to generate the webpage when a distant is connected
| Simple IC to manage a push button as ON/OFF switch with battery level monitoring
| Air pump (like CPAP) with pressure control, working with any brushless motor and ESC for breath help.
| Nixie night clock with alarm with motion sensor to show the time during the night
| Mini device which display PM2.5 with temperateure and humidity. Work on battery for weeks, display last measure, hourly and AQI value.
| For battery assembly, a spot welding tool is nice to have. I develop this portable version, using a super capacitor and recharged with stand...
| Display of your number of subscribers from your Youtube channel on an old fashion Nixie display with time
| Christmas was nice for the kids. Unfortunately, these toys need endless batteries. I replace them with 2 lithium phone battery with charger
| Display air dust situation as well as temperature and humidity: