Put a resistor inline with the Arduino and monitor the voltage drop across the resistor with the scope. When the chip is working hard, it consumes more current, and code sections that take longer ...

Got an Arduino board laying around? Make your own oscilloscope in only four steps. It might be the geekiest DIY project ever.

If you don’t have an oscilloscope you’d be surprised how many times you find yourself needing one. But if you have an Arduino on hand, the next time you might be able to get by with this ...

After waiting almost a month, I opened up the OLED and went right to testing it out. The link in the description pointed me to this website, which is a tutorial from Adafruit. Apparently, Adafruit ...