If you're looking for clever ways to repurpose any of the old CD or DVD players that might be scattered around your house, we ...

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

Here's the new description with all links and additional text removed: Making a good lighting system for your rc projects is ...

The audio component centers around the SS8550 PNP transistor (Q1) which serves as a driver for the passive buzzer (BZ1). This ...