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Velleman # MK111. For intermittent operation of circuits and equipment. Use for blinking light control, slide projector control etc. Pulse time adjustable between 0.5 and 5 seconds. Pause time adju... CAT# MK-111
$9.95 each
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Large, two-digit counter assembly. Advances one digit at a time, from zero to ninety-nine, each time button is pushed. Each digit is 2.78" high and consists of 21 red 5mm LEDs. Kit includes 5.0" x ... CAT# CTR-7
$11.75 each
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Easy to build kit allows you to control the speed and direction of 6-12 vdc electric motors or control the intensity of 6-12v incandescent lamps. Includes pc board, parts, instructions and dc motor... CAT# MSC-6
$15.00 each
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Announce visitors, warn against burglars, set boundaries, for science projects, with audible (85dB) and visible (LED) alert. Range: 3.3ft to 13ft. Power supply: transmitter: 9V DC / 50mA max. Recei... CAT# MK-120
45 Available
$8.35 each
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Variable rate strobe kit, flashes between every 2 or3 seconds. Our kit will operate on either 12 Vdc or 4.5 to 6 Vdc depending upon how you decide to wire the circuit. Comes complete with P.C. boar... CAT# STROBE-1
$7.50 each
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Two potentiometers adjust the flash rate oftwo LEDs. 9V operation. Battery not included. Note: Kits cannot be returned or exchanged once assembly has begun. CAT# MK-1021
$4.95 each
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Velleman Kit # MK-167. Build-it-yourself circuit provides a safe, long-lasting, candle-like light that fits in standard 38mm candle cup. Yellow, high-intensity LED. Choose between three modes: flic... CAT# MK-167
$9.75 each
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This kit was developed as a pre-module for a number of audio applications where the input signal is too weak. Applications as a microphone pre-amplifier or for level correction. Compact design. Low... CAT# MK-1803
$12.85 each
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Turn equipment on and off at any location via GSM mobile phone applications: turn on lighting, heating, open your gate, simulate presence, control animal feeders, activate car alarm, etc... Ring de... CAT# MK-160
$15.95 each
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Vary the speed and direction of a stepper motor. Moves the motor one step at a time or maintains a constant speed. A row of leds visually indicates the stepping motion of the motor. Includes PC boa... CAT# SMKIT-2
$25.00 each
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Velleman # MK-171. Make your voice sound like a robot. Add vibrato effect. Use pitch buttons to make your voice higher or lower. Built-in microphone and power amplifier with volume control - just a... CAT# MK-171
$15.95 each
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Signal output: sine wave, triangle, square wave and integrator (selectable through jumper). Signal frequency: about 1 KHz (fixed). Output level: adjustable from 0 to 100mVrms (LEVEL potentiometer).... CAT# MK-105
$10.95 each
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Buzzer sounds when water is detected. Water sensor can be placed at a distance by cutting the board and using wires to connect the sensor. 9V operation. Battery not included. Note: Kits cannot b... CAT# MK-108
$7.95 each
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Velleman # K8004. Ideal for the accurate control of DC motors, lighting levels and small heaters as well as other applications. The circuit converts DC voltage into a series of pulses, the duration... CAT# MK-804
$28.95 each
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The easy way to check your IR remote for proper operation. Simple operation : point the remote at the sensor and push any button. 4 flashing LEDs indicate remote operation. Power supply: 9V battery... CAT# MK-137
$5.50 each
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Velleman# MK-127. Bug-shaped miniature robot. Driven by two miniature motors, its photocell sensors seek light. Stops in total darkness. LED eyes indicate driving direction. 3.93" x 2.36." Operates... CAT# MK-127
16 Available
$14.95 each
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Power up to four 1W or two 3W high-power LEDs (not included). Delivers accurate constant current required by most high-power LEDs. High efficiency due to switch mode principle. Built-in rectifier f... CAT# MK-8071
$16.95 each
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Up to four players can compete. LED indicates first button pushed. Quizmaster 'RESET' -button with 'button pushed'-indication. Two units can be daisy-chained for eight-player-fun! Power supply: 9V ... CAT# MK-133
$11.25 each
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Velleman Kits # KNS7. Fun with gears and motors. Small 3 Vdc motor, metal bracket and axles, and an assortment of small plastic gears and collars to produce a gear train of various ratios. Note: ... CAT# GR-84
$11.95 each
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Mini FM modulator (100-108Mhz). Integrated pre-amplifier, to which any dynamic microphone may be connected. Family broadcasts, babyphone, security. May be received by any portable FM radio or tuner... CAT# MK-1771
$19.95 each
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All Electronics Corp., 14928 Oxnard St., Van Nuys, CA 91411-2610, FAX: 818-781-2653