gfaman (41)

| For another project under development, I have to check several voltages in parallel (4 here). As it must be put on a bike, I wanted very low...

| Simple project to memorize color sequence. The purpose of this project was to teach my son some simple electronics and SW program under Pyth...

| Discover the second version of the Laptop charger, which was made more compact with an OLED display. In the first version of this project, t...

| In the first version of this project, I was using some modules associated to an LM317 to charge the batteries. Here, it is new full schemati...

| When a laptop has no more valid internal battery, it is frustrated to immediately loose the session when remove (intentionally or accidently...

| With 2 modules quite cheap on the market, fast and enough charger / discharger with capacity measurement for Lithium battery

| What would be the best power supply for a Raspberry-Pi-based audio streaming system? One that doesn’t introduce any noise and that is stable...

| When a battery-operated device can also recharge its batteries, it can be useful to measure its instant and average current in both directio...

| What can be the best power supply ? One with isolated from the main 220v, battery power, linear regulated. The battery will be recharged wh...

| To display for a device which have discharging and charging capability, the instant and average current in both direction, from 2A to 100uA....