We must admit that we’ve been guilty of using a microcontroller to make two LEDs blink alternately in the past. It’s not the worst transgression, but it stems from our discomfort with analog circuits.

The HEF4047B is an integrated circuit containing a gatable astable multivibrator that is incorporated with logic techniques to allow positive or negative edge-triggered monostable multivibrator action ...

This 12V power inverter circuit can be used to power small power devices that need a 240 volts. It is very useful when you want to use a 240 volts consumer powered by a 12 volts car battery .In ...

My teacher friend was looking for Christmassy technology ideas for a science + engineering club. And I said that flashing leds might be good, and if you can get three phases going, you can have a ...