Tutorial on casting electronic circuits in Silicone and Polyurethane.
Light Sensor Circuit Simple circuit using an Light dependent resistor (LDR) to turn on an LED when dark. What you need: 1 transistor BC497C (NPN) 1 Light dependent resistor 1 variable resistor 0-50K 2 resistors 1K 1 LED Schematic Via Cross Lab DIY Another schematic for a Light Sensor Circuit
