gfaman (36)

par gfaman

| How to change a simple led garland into a solar power blinking one , with Louis help for the mechanical part.

par gfaman

| This is not an USB charger ! This is a light detector, sending any ambient light change by email, receiving command by email too. All has be...

par gfaman

| Un interrupteur marche/arrêt à poussoir permet d'allumer ou d'éteindre la charge à chaque pression. Au 1er siècle avant le microcontrôleur,...

par gfaman

| New version of the camel bag water level indicator based on uC instead of discrete

par gfaman

| 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

par gfaman

| Simple IC to manage a push button as ON/OFF switch with battery level monitoring

par gfaman

| Air pump (like CPAP) with pressure control, working with any brushless motor and ESC for breath help.

par gfaman

| Nixie night clock with alarm with motion sensor to show the time during the night

par gfaman

| Mini device which display PM2.5 with temperateure and humidity. Work on battery for weeks, display last measure, hourly and AQI value.

par gfaman

| For battery assembly, a spot welding tool is nice to have. I develop this portable version, using a super capacitor and recharged with stand...