Chapter 22. Soldering and Connecting

This chapter covers soldering, with emphasis on soldering smaller pieces, like the motors and the line-following switch. This chapter also describes instances when it's better to not solder certain wires together, but instead to use a connector.

Putting Together the Motors and Switches

Before attempting to solder the line-following circuit (next chapter), it's prudent to practice on less complicated parts. For example, each motor only needs two wires soldered to it.

The switches, motors, and a few other items (see Figure 22-1) are all independent from each other and from the main circuit board. That makes them short and easy projects to work on.

Figure 22.1. (left to right) Motors, line-following switch, battery ...

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