These devices can be bought for a few Euros, but I'm a DIYer and wanted to try to make it work with a small OLED display, an ATtiny85 microcontroller and a few passive components. These devices can be ...

These devices can be bought for a few Euros, but I'm a DIYer and wanted to try to make it work with a small OLED display, an ATtiny85 microcontroller and a few passive components. These devices can be ...

This schematic is all you need to build your own voltage converter. [Lutz] needed a converter that could boost 5 V to 30 V to power a string of LEDs. The solution was to use low cost ATtiny85 and some ...

Since we are in the midst of featuring a wide assortment of ATtiny hacks, [Kenneth] wrote in to share a project he has been developing over the last few months, the SerialCouple. Most all development ...