Make: Electronics, 3rd Edition

Section Five What Next?

At this point, I can branch out in numerous directions. Here are some possibilities:

Audio: This is a large field including hobby projects such as amplifiers and “stomp boxes,” to modify guitar sound.

Electromagnetism: This is a topic that I haven’t even mentioned yet, but it has some fascinating applications.

Radio-frequency devices: Anything that receives or transmits radio waves, from an ultra-simple AM radio onward.

Microcontrollers: These are tiny single-chip computing devices. You write a little program on your desktop computer, and load it into the chip. The program tells the chip to follow a sequence of procedures, such as receiving input from a sensor, waiting for a fixed period, and sending output to a motor. ...