8-CHANNEL USB RELAY CARD
USB EXPERIMENT INTERFACE BOARD
UNIVERSAL TEMPERATURE SENSOR
Proximity Card Reader with USB Interface
LIQUID LEVEL CONTROLLER
PROXIMITY CARD READER
CLAP ON/OFF SWITCH
THERMOSTAT- Out of stock
IR REMOTE CHECKER - Out of stock
DUAL ELECTRONIC DICE - Out of stock
CLASSIC TV TENNIS GAME WITH ANALOG BATS 
QUIZ TABLE- Out of stock
STEREO ULTRASONIC SOUND AND BAT DETECTOR 
AUDIO ANALYSER
VOLUME AND TONE CONTROL - PREAMPLIFIER
2-CHANNEL LOUDSPEAKER PROTECTION- Out of stock
SOUND GENERATOR - Out of stock
STEREO VU-METER 2 x 10 LEDs 
MONO VU-METER 10 LEDs
PINK NOISE GENERATOR- Out of stock
7 W MONO AUDIO AMPLIFIER 
AM/FM ANTENNA AMPLIFIER
SIREN
STEREO RIAA-PREAMP
Low voltage LED dimmer
DIGITAL ECHO CHAMBER
UNIVERSAL MONO PRE-AMPLIFIER
POCKET VU METER IN ENCLOSURE
STEAM ENGINE SOUND GENERATOR
POCKET VU METER
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