Pertemuan III : Sensor Cahaya 05.12 Brian 0 Kabel jumper 2 meter1 LM324N1 Photodioda 1 Led Warna Merah/Infrared 1 Led warna bebas 1 Trimpot 50k2 Resistor 1k1 Resistor 20k atau 22k 1 Bread board