Signal Generator

Use an Arduino UNO R4’s DAC as a signal generator

Arduino Team — March 19th, 2026 Signal generators are useful for testing and evaluating electronic components and devices. If you do a lot of that kind of work, you’ll probably want to go buy a decent signal generator. But you can easily spend hundreds or even thousands of dollars on one. If, however, you’re on a budget or need to generate a signal right now, you can check out RonFrtek’s Instructables tutorial to use your...