Pi doesn't play nicely with Neopixels -- you don't have fine control over the timing of the pulses you send to the pixels when using multitasking operating systems. With microcontrollers, you do. So I ...

After playing some time with the Arduino Uno I wanted to learn more about the features of the ATmega328P without the "Arduino OS" shell. To get as close as possible to the chip I decided to use ...

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as any other servo tester, the difference is that it can be programmed to do ...