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DIY Motion-Sensor Mobile Sound Unit by Zane Carlton Allan Leff is a document available to read on EtoBox.

What is DIY Motion-Sensor Mobile Sound Unit about?

This document provides instructions for building a motion-activated sound unit using recycled electronics components like a CD player, small amplifier and speakers. The unit is intended to play interview clips when motion is detected to conserve battery life. It works by using a motion sensor to trigger a 555 timer monostable circuit connected to relays, which power the CD player and amplifier for a calculated duration before shutting off. The summary provides the essential steps and components needed to bu

Author

Zane Carlton Allan Leff

Language

EN