Simple touch switch circuit with 4011 – source The circuit as you can see from its diagram is very simple and only uses 8 components. The heart of the circuit is the IC CD 4011 that is connected as a ...

Stop walking across a dark room to turn on the light. Install a 3-way switch and control lights from two locations.

This is a light switch or light activated relay circuit. The relay on when LDR uncoverd and relay off when LDR covered. Adjust VR1 for light sensitive. LED will turn on at the same time with relay.

This circuit diagram joins a cell, a switch and two bulbs. Click on the next slide to see what the circuit might look like if you built it. Image caption, This shows what the previous circuit ...

Before you do anything, switch off the breaker on your ... bundles of wire while box 2 has just one. If your wiring matches my description (diagram 1) or what's shown in diagram 2 above then ...

In the 120V circuits of homes and offices, the grounded conductor is the same as the neutral. Typically, when wiring a switch for a 120V load (e.g., a light) only one wire comes to the switch and only ...

A 12-volt, NO/NC, SPDT version like this one (Hella PN 007794301, $6.38 at Summit) can control both normally open and normally closed circuits, or it can act as a changeover device to switch ...