The heart of the switch is a digitally controlled analog switch 4066. The switches are ES1 … ES8 and each 4066 contains 4 switches. When channel 1 is selected, ES1 and ES2 are closed and ES3 is open.

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 ...

The switch circuit consists of two basic components, ... 0v drop – use a knife switch, and then build a robot to open and close it based on a signal. You could just use a servo too, ...

In circuits connected in parallel, the components are connected on different branches. Find out more with BBC Bitesize. For students between the ages of 11 and 14.

LAS VEGAS—The Facebook-led Open Compute Project has spent the past year building an “open” switch that can boot nearly any type of networking software, giving customers more alternatives to ...