See schematics for the circuits. The Silicon Valley electronic flea market and breakfast You never know what you’ll find at the Silicon Valley electronic flea market. 555 timer triggers phase-control ...

Circuit diagram of a 555 astable IC in low state and high state. Describe how the circuit works: Show more Show less. Set up: The 555 timer IC is set up to continuously switch its output between ...

This ON OFF touch switch circuit is based on the well known timer IC 555 (IC1), which drives a relay that acts like a switch. The metal surfaces can have what form we want, but it should be clean and ...