When I needed to select my career it was difficult to choose between chemistry and electronics. I decided to go for (analytical) chemistry a...

I have several old UV erasable EPROMs that i want to use. The UV EPROM ereaser  orderd on AliExpress  for using the EPROMS came sooner than ...

 After building the metal detector kit from the first blog post i received another DIY kit from Aliexpress for a metal detector. From this...

Recently i did buy this cheap DIY metal detector kit at Aliexpress. Here some pictures of the parts ant the assembly. Soldering the componen...

The PCB design of my EEPROM test/development shield is ready.  Hope to post soon (after receiving the PCB), more details and test results of...

Below new mailbag items. As they are often needed for small projects some switches . On the photo you can see the foam package for protecti...

Received an UV EPROM eraser from china so i can wipe the content some old classic memory chips that i still have so i can use them in future...

 A week ago i received a cheap digital test-pen from china. I already mentioned in my mailbag post that i would post something about two sma...