| Light and small power bank which can use all kind of standard old mobile battery, charging 4.2v to 4.4v and no sleep mode possible. Use of a...
gfaman (34)
| 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...
| 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 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....
| Multiplayer target with score management and OLED display.
| How to change a simple led garland into a solar power blinking one , with Louis help for the mechanical part.