Simple Circuit Modules :
Lamp Holder
4.5V / 0.3A bulb in a holder.
LED Boards
Large light emitting diodes with series resistor of
220ohms for p.d's of upto 6V.
Contact Science Lab for your Educational School Science Lab Equipments. We are best technical educational equipments manufacturers, technical educational equipments manufacturer, technical educational equipments supplier, technical educational instruments, technical educational instruments exporter, technical educational instruments manufacturer, vocational training lab instruments exporter.