Adjustabot

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A collision-avoidance robot that students "program" by turning knobs that set motor power (speed), the distance threshold for turning, and the turn time. It suits places without a lab of PCs.

Source book: STEM Robots
Kit page: https://dmccreary.github.io/stem-robots/kits/adjusta-bot/
Printable one-pager: adjusta-bot-one-pager.html

Features

• Uses the 10K Potentiometer

Benefits

• Free, open lessons: the STEM Robots textbook has the kit page, wiring, and MicroPython code.
• Budget: about $21 (base robot $19, three potentiometers about $1, a distance sensor about $1).

Parts

• 10K Potentiometer — Input knob
• 830-Point Breadboard ($1.10) — Breadboard
• Micro-USB Data Cable ($2.50) — Power and programming cable