VOICE CHANGER

DIGITAL MULTIMETER

ELECTRIC ECHO BEAR

DC FLASHER

AUDIO FREQUENCY AMPLIFIER

AC TO DC ADAPTER

COMPARATOR

TIMER

FLASHER

7-SEGMENT DISPLAY

7-SEGMENT BCD DECODER

4-BIT MEMORY 7-SEGMENET DISPLAY

THERMAL CONTROL

SPEAKER PROTECTION

FUNCTION GENERATOR

VOLUME CONTROLE 6W AMPLIFIER

DIGITAL THERMOMETER

PIC16F84 TIMER

STOP START TIMER

VOICE RECORDER 25 sec

PREAMPLIFIER (MAGNETIC MIC)

MIC AMPLIFIER

UP/DOWN COUNTER ( 1 DISPLAY )

UP COUNTER 3 DISPLAYS

IR 1 CHANNEL TRANSMITTER