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„Plexabox” series – LED flasher

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BlackMamba

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Source: Seria "plexabox"- migacz LED- zapraszam
Project by c++

What is needed:

Laminated board 5x30 cm
Ferrum chloride
Switch
Three ultra bright LEDs
Capacitors
Resistors
BC557 transistors
BC547 transistors
Microphone
Batteries compartment
Cables from old TV
Screws
LEDs illuminate when microphone receives sound.

Case is made of plexi formed with hot air. Battery compartment is glued by the adhesive tape.

 

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