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How to make a servo tester using Attiny85 micro chip + 10 biggest airplanes by wingspan

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as ...
Taste The Code on MSN

Oximeter monitor with OLED display using MAX30105 sensor on NodeMCU

In this video, I created a blood oximeter by using the MAX30105 particle sensor to figure out the changes in color of passing ...