The Adafruit USB Isolator is becoming more popular now that so many people are using USB-based oscilloscopes and logic analysers. The problem this board solves occurs when the ground of the device you are testing and the testing device itself are connected. This handy little board isolates the ground between the two. It allows for low-speed and full-speed connections. Sorry, no high-speed here, but that’s OK for so many other applications.
Eliminate the dangers of back-fed power, background noise, floating grounds, or other hazards of tinkering around with USB-based testing instruments. Just remember the Adafruit USB Isolator is only for 5 V power and 3.3 V logic USB devices!
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