Power supply circuit is taken from the bridge rectifier D1…D4 is filtered and stabilized by R1, C1, and D5. The bridge circuit is difficult to identify in the given diagram, but it is made of R2 …..

Normally the resistance of an LDR is very high, sometimes as high as 1000 000 ohms, but when they are illuminated with light resistance drops dramatically. LDR switch circuit diagrams This is a light ...

If your wiring matches my description (diagram 1) or what's shown in diagram 2 above then proceed. Be advised that for diagram 2 layouts you will have to adjust my instructions accordingly.

Slide 1 of 2, A circuit symbol diagram joining a cell, a switch and two bulbs., This circuit diagram joins a cell, a switch and two bulbs. Click on the next slide to see what the circuit might ...