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 ...

The LTC6902 from Linear Technology is a precision, easy-to-use, resistor programmable oscillator that provides up to four output phases. Its frequency can be varied from 5 kHz to 20 MHz, with 1.5% ...