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

They may seem simpler, but don't be fooled: microcontrollers are perfect for a lot of my more complicated setups for a number of reasons ...

Ubuntu Waterhub has created 70 automated, prepaid water dispensing systems serving both vendors and communities.

Open-source firmware for the TEF6686 radio has led to a community of youthful worldwide hobbyists who are embracing long-distance FM radio reception.