Arduino tehNiq

    I wanted to created a special clock as a vintage clock with VFD display, so I realised ca easiest way is to use an i2c expander as TCA95...

      I received few X9C103 digital potentiometer modules with 10kΩ and I need to prepare it for tests:      I used this schematic: where i...

    This article is based on the article with same name and  Railway Crossing Part 4: Putting it all Together  article.    My tests include...