So I've been helping my daughter with her science/engineering fair project. The project uses an arduino uno with a servo to automatically feed the dog twice a day. She started with a Futaba S3003 with ...

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as any other servo tester, the difference is that it can be programmed to do ...