A small portable device featuring timer, clock, and calendar functions, equipped with a simple and functional interface and a truly long battery life.
Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as ...
We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Samantha Schoech Samantha Schoech is a writer focusing on gifts. She spends ...