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 ...

Abstract: We experimentally demonstrate a net data rate of 4.5 Gb/s underwater optical wireless communication (UOWC) system using a single-pixel mini-LED and a 4-bit DAC over a 2-m underwater channel.

In this video I'm showing how you can conserve pins on Arduino projects where you can read the input of multiple push buttons with a single Arduino pin. #arduino #multiplebuttons #arduinotipsntricks ...