DSO150 Oscilloscope (The little scope that can)

So what exactly can you do it? Well, you can visualize the voltage of any signal up to 200KHz, in the range of 25VDC, and 50Vpk2pk. This includes everything from an audio signal, to your AC mains with the proper equipment, to diagnosing your output for that Arduino sketch you couldn’t get to work. Even if you wanted to examine the signal noise on your power supply, or other mains connected device it has AC coupling to strictly isolate the information you’re looking for.

Read more