In this chapter, you will look at audio electronics and find out how to make and amplify sounds so you can drive a loudspeaker.
You will also discover how to hack an FM transmitter intended for use with MP3 players in the car, so that it works as a surveillance bug.
First though, we will look at the more mundane topic of audio leads, how to use them, mend them, and make your own.
Hacking Audio Leads
Ready-to-use audio leads are pretty cheap to buy unless you go for the high-end connectors. Sometimes though, if you need a lead in a hurry, or an unusual lead, it helps to know how to wire one up from parts in your junk box or from connectors you have bought.
Many items of consumer electronics are supplied with a range of leads, and ...