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Test Tone and Voice Modulator (Downloadable Plans)


Product Description

Board level circuit is used with our diode lasers to produce a test tone, simplifying window bounce systems. Also modulates lasers for voice communication projects. Operates on a 9 to 12 volt battery with sensitive FET mike and level control.

Assembled laser and receiver modules may be placed on video tripods and temporarily aligned for limited performance demonstration systems. They may also be enclosed as shown in the instructions
These are downloadable plans (also available as paper plans), requiring parts and assembly.
Also available as a kit with plans and all parts included, requiring assembly.

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