| This project detailed how to use multiples ESP32Cam (solar charged) to capture few times by day a picture and send them remotely to a touch...
gfaman (47)
| When we are developing some devices, often, the current consumption is a key point. Here, I made a "modern" device which measure voltage and...
| ESP32 is great. However, when need power by battery, the sleep current is still high. I'll explain here how I did to reduce to low as 0.5ma...
| Need to weigh bikes, luggage, or bulky gear? These DIY wireless scales use ESP32 and HX711 modules to send real-time weights to a receiver f...
| 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...
| 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...