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Light Beam Receiver/Transmitter with case (Special Deal) |
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Light Beam Receiver/Transmitter with case (Special Deal)
R-LB56C
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"Up to 30 foot range, 1/4 mile with simple lenses!
Easily transmits through windows
Runs on 9-12VDC
Kit includes separate receiver and transmitter
modules for unlimited possibilities
Transmits a modulated infra-red light beam up to 30 feet without lenses, up to 1/4 mile using simple lenses. Since the beam is modulated with a 30 KHz carrier (like AM radio) there is no effect from 60 Hz hum that is produced by indoor lighting. Easily transmits through windows - ideal for ‘bugs’ or listening to IR television remote controls. The transmitter can use any type of mic and is very sensitive. The receiver employs an IR PIN diode detector and puts out enough power to drive any speaker or earphone. The PC board is cleverly ‘scored’ so you can easily separate the Transmit and Receive sections so they can be used individually to transmit at one location and receive at another. Units run on 9 to 12 VDC. Don’t forget our slick matching case set with red IR end panel.
Used separately, the light beam transmitter and receiver can establish a
unique communications link for audio or data. This is essentially what those
high end wireless headsets consist of. Wire the transmitter to the auxiliary
output of a Hi-Fi and the receiver to a set of ""wireless"" earphones! Or how
about an infrared ""repeater"". You can use the receiver to detect your
television, VCR, or stereo remote control unit and re-transmit it around
corners or from twice the distance you could originally! Note that the use of
light in electronics communications makes them immune to the kinds of
interference or unintended interception associated with radio transmission
and reception. Also, the design of the transmitter and receiver on the same
circuit board provides for easy ""duplex"" operation. This allows you to easily
combine two kits as sort of a light beam ""walkie-talkie"" capable of
transmitting and receiving information at the same time. Consider also that
infrared energy is associated with heat. Try ""listening"" to a candle or
other heat sources. How about using the receiver to detect heat losses
where cold drafts are found.
We offer the manual in Adobe Acrobat PDF format right here! The manual is complete, with the exception of the schematics.
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| Light Beam Receiver/Transmitter with case (Special Deal) |
$29.95 |
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