Electronic Circuits - Electronic Tutorials - Electronic Hobby Projects - A Complete Electronic Resource Centre

Electronic, PC, Microprocessor & Mircro Controller based Kits & Projects for School & College level students

Online
Calculators

Circuits (A-C)

Circuits (D-O)

Circuits (P-Z)

Photoelectric Circuits

741 Based Light Sensor CdS photocell used for light/dark controlled relay

Fairly simple train detector using ambient light and a photocell : Train Detector using ambient light and a photocell

Infrared train detector:

Click here for more Electronics Circuits

Click here for Electronics Tutorial