3V Oscilloscope Schematic

3 Volt Oscilloscope

I’ve been doing electronics projects with my daughter and nephew. We built a servo controller from a 555 chip and discussed PWM. I drew pictures, but decided what we really needed to do was take a look at the pulses with a simple oscilloscope. So here are the schematics and software for a simple oscilloscope using an ATMEGA328P-PU, a Nokia… Read more →