Monday, March 26, 2012 by skemarangkaian
- The LDR ,R4 can be any general purpose LDR.
- The circuit must be assembled on a good quality PCB or common board.
- The circuit can be powered from a 9V PP3 battery.
- The POT,R3 can be sued as a volume controller.
- Mount the IC1 on a holder.It will make replacements easy.