Same as MODUL1 plans, but for HeNe Lasers.
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.
|These are paper plans, requiring parts and assembly (also available as downloadable plans for roughly half the price).|