Electronics projects for beginners: How to make a roaming robot

New stuff you need

Second continuous rotation servo

2 x wheels to fit servos

2 x long-arm limit switches

Battery box (to hold 4 x AA batteries)

micro:bit edge connector (optional)

Robot chassis or CD case

WHAT is twice as fun as a motor? Two motors. Last week, we learned how to meet their power-hungry needs. Now, we can double up – and because the micro:bit can control them, we can make a robot that roams.

First, give your robot a body. I used a pre-made chassis, but you can use cardboard, a CD case or even a…