Update 04/20: development has been restarted with a new version coming! See here. So I finally arrived at the point where I consider my Open…
If you ever worked with lithium batteries, you probably know the TP4056 – a chip for charging lithium batteries with CC-CV profile, two LEDs for…
I was hoping that this release of my multimeter project will be the final one. However, during testing, I still discovered things that needed changing…
Yesterday, parts for revision 1.3 finally arrived and this meant I could start populating the PCB. I managed to populate and test it in just…
There is a new version. Read about it here! One of the most essential tools for anybody interested in electrical engineering is certainly a Digital…
Often, when I am prototyping something on a breadboard or elsewhere, I need to see voltage levels at multiple points of the circuit. Of course…
This is another project I originally build for a ground school here in the Czech Republic. But in the end, I liked it a lot,…
One of the biggest trends these days is making everything wireless. And sometimes it really comes in handy to have a radio module capable of…
One of the most useful tools when camping is a flashlight. They come in a ton of different shapes – headlamps, torches, lanterns… I have…
One of my most viewed projects ever (both on Instructables and Github) is my AVR Universal Battery Charger. It was also one of the very…