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Two Station Intercom-Hardwired Bug
Each station has its own mike, speaker and amplifier.
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Ultrasonic Movement Detector
The circuit uses a matched pair of 40 kHz transducer elements to detect movement up to 22 feet away.
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Universal Digital Panel Meter Fully Assembled
This high-bright digital panel meter is a universal circuit that can be used as a voltmeter, ammeter, thermometer or any other measuring device. The instruction manual has detailed instructions on how to setup the circuit to perform different kinds of measurements. The circuit features high precision and high input impedance. Supply voltage: 5V DC @ 150mA (regulated). Recommended power supply: Kit CK341V5 / UK341V5.
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Universal Relay Card
If you want to switch large electric currents using an electronic control and require control isolation at the same time, then this card is a valuable asset. This card is ideally suited for connection to our V-K6711 kits (15 channel IR receiver) one or even two V-K6701s (8 channel 2 wire receiver). For these two kits the power supply may be taken directly from the relay card. It can also be used in other applications.
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Universal Timer Kit
Use as a timer or an oscillator.
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Variable Strobe Light Kit
This excellent Strobe Light produces a very high intensity, white light for short durations. The speed of the flashrate can be varied from one or two per second to twelve or more per second. It comes with a quality 5-watt flashtubewhich can be used for many hours, even with continous use. This strobe can be converted to manual operation foruse with camera equipment. It has many safety and special effects applications. Use it for 'stop motion effect' likeold-time movies, etc. Easy to build and maintain. Comes with complete instructions, theory and schematic.
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Variable Voltage Power Supply
3 Fully Regulated Supplies:1.5 to 15 V @ 1A-1.5 to -15 V @ 1A5 V @ 3A This model also features short-circuit protection. ttttttSPECIFICATIONSttttttttttttttttInput Voltagettttttt120 VACtttttttttOutput Voltagettttttt1.5-15, 1.5-15, 5 VDC 6.3-12.6 CTACtttttttttOutput Currentttttttt1A, 1A, 3A, 1A, 1AtttttttttLoad Regulationttttttt0.1 VtttttttttLine Regulationttttttt0.1 VtttttttttRipple Max. RMSttttttt.005 VtttttttttCurrent Protectionttttttt1 A, 3 A, limtttttttttShort Protectiontttttttttt1 A, 3 A, limtttttttttOutput Impedancettttttt.025 OhmtttttttttMetertttttttNonetttttttttDimensionsttttttt3 1/2"x8"x6 1/2"tttttttttWeightttttttt7 Lbs.ttt
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VHF-High Performance Wireless Mic
This high performance wireless mic is approximately the size of a pager.
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Vibrating Bug Detector
The Vibrating Bug Detector with a new telescopic antenna, is a self-contained R.F. detection unit which can be worn concealed, and silently alerts you to the presence of a bugging device by vibrating. It also has a LED indicator light for a visual indication.
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Video Transmitter Cube Wired and Tested
Perfect video transmission from a transmitter you can hide under a quarter and only as thick as a stack of four pennies - check out the size compared with a penny! Transmits color or B&W with fantastic quality -almost like a direct wire connection to any TV tuned to cable channel 59. Crystal controlled for no frequency drift with performance that equals law enforcement models that cost hundreds more! Basic 20 mW model transmits up to 300'. Units run on 9 volts and hook-up easily to most any CCD camera module. Any of our camera modules have been tested to mate perfectly with the Cubes and work great with solid, trouble-free operation! Fully assembled and tested - just hook-up power and you're on-the-air with a killer system!
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Visible Man
The Visible Man Kit is an Anatomically Accurate Scaled-Down Version of a Man.
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Visible Woman
The Visible Woman Kit is an Anatomically Accurate Scaled-Down Version of a Woman.
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V-K7102Metal Detector Kit Buzzer Included
Metal Detector Kit Metal Detector Kit To encounter an electric cable when drilling a hole in a wall can have catastrophic consequences. Likewise to drill into water pipes or central heating pipes can cause major problems. That is to say nothing of course if one has the misfortune to drill into a gas pipe.Now with a handy metal detector it is possible to check for metal objects in and behind walls, floors and ceilings. An LED turns on if the detector comes into the vicinity of metal objects. Technical Specifications: Proximity range, adjustable up to 8cm.Battery supply : 9 voltsPower consumption : 30mA max.LED indicator (buzzer as option)Dimensions: 56 x 64mm Parts List: Label Reference Qty. Description C1 C3N3 1 3.3nF CERAMIC CAPACITOR C2 C47N0 1 47nF CERAMIC CAPACITOR D1 1N4148 1 1N4148 (1N914) L1,L2 ROD8X50 1 AERIAL ROD 8 X 50mm , TWO WINDINGS LD1 LED5RL 1 LED 5mm RED TD UNIVERSAL R1 RA330E0 1 RESISTOR 1/4W 330E R2,R3 RA470E0 2 RESISTOR 1/4W 470E R4 RA2K7 1 RESISTOR 1/4W 2K7 R5 RA10K0 1 RESISTOR 1/4W 10K RV1 K002SH 1 PIHER TRIM 2K2 SMALL HOR RV2 E100LH 1 PIHER TRIM 100E LARGE HOR SW1 S500 1 KEY SWITCH 500 T1...T3 BC547B 3 BC547B SI-NPN UN 50V-0.2A ZD1 ZA3V9 1 ZENER DIODE 3V9-500mW AXE AXE 1 AXE 19mm FOR PIHER PT15 H7102B'1 H7102B'1 1 ASSEMBLING MANUAL H7102P'1 H7102P'1 1 PARTSLIST S509/BK S509/BK 1 LOOSE KNOB S509/NE (BLACK) SNAP9V SNAP9V 1 BATTERY SNAP 9V "I" TYPE/LEADS 150mm VK7102 VK7102 1 SUBKIT K7102 WINDING WIRE + PCBOptions: For those wanting an audible signal, space is provided on the print for connecting a buzzer type SV4/12. The small PCB has been specially designed to be incorporated into the separately available casing type G407. ??????
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Voice Activated Switch Kit
Use your voice or noise to control just about anything.
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Voice Changer
Change your voice from male to female or vice versa. Add a vibrato sound to voice like the sound used to protect witnesses or anonymous rats on TV.
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VU Meter-10 LED Mono VU Meter Kit
This unit allows you to instantly visualize signal levels from a whole range of different audio sources.
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VU Meter-2x10 LED Stereo VU Meter Kit
This unit allows you to instantly visualize signal levels from a whole range of different audio sources.
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VU Meter-2x15 LED Stereo VU Meter Kit
This unit allows you to instantly visualise signal levels from a whole range of different audio sources.
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Water Alarm Minikit
Gives alarm sound when water is detected Technical Specifications: Incorporated alarm buzzer
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Whooper Alarm Kit
This kit makes an excellent alarm device to connect to your car, home or business. It can also be connected to our Combination Lock Kit #9952. It consists of a fast and slow oscillator to put out the 'whooping' sound. This is a great sound to use instead of the police siren sound to distinguish sounds. Easy to build and maintain. Make several. Comes with complete instructions.
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Remote Control Toys - Hobby Store: Electronics 1