gfaman (36)

| Hai bisogno di pesare biciclette, bagagli o attrezzature ingombranti? Queste bilance wireless fai da te utilizzano moduli ESP32 e HX711 per...

| When it is needed to weight larges objects, a simple scale is often not convenient. I found this issue when weighting my bike. So, I created...

| 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...

| 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....