This is design a very simple and cost effective mains operated LED lamp. This circuit is gives a very bright white light. This circuit is need twelve of LED for the operation. This is the figure of the circuit.
Since no transformer is used, the circuit is very compact and light weight. The mains supply is given to the bridge rectifier via the parallel network formed between R1 and C1.The bridge rectifies the mains supply. The resistor R2 limits the current through the LEDs. The capacitor C2 acts as a filter. The bridge D1 can be made by using four 1N 4007 diodes. D2 to D13 can be bright white LEDs.
Since no transformer is used, the circuit is very compact and light weight. The mains supply is given to the bridge rectifier via the parallel network formed between R1 and C1.The bridge rectifies the mains supply. The resistor R2 limits the current through the LEDs. The capacitor C2 acts as a filter. The bridge D1 can be made by using four 1N 4007 diodes. D2 to D13 can be bright white LEDs.
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