Build Your First Robot for Under $200: A Step-by-Step Guide to Electronics, Coding, Sensors & Motion

Description

Build a real, programmable two-wheel robot without an engineering degree or an open-ended shopping list. Build Your First Robot for Under $200 guides adult beginners and practical makers through a complete, measurable robotics build. Every stage is organized around visible connections, verification checks, and pass-or-fail build gates, so you know what works before moving forward. Inside, you will learn how to: • evaluate a parts plan designed to stay below a $200 hardware budget; • assemble a straight, serviceable two-wheel chassis; • wire and verify a stable 5-volt power rail; • control two motors safely with a dual motor driver; • connect and calibrate ultrasonic obstacle detection; • program the robot from a laptop with complete reference firmware; • tune straight travel, turns, sensing, and stopping distance; • diagnose resets, bad readings, stalled wheels, and unstable motion; and • add optional line-following capability. With 50 black-and-white workshop visuals, practical checklists, wiring tables, measured acceptance gates, and detailed troubleshooting guidance, this book turns a complex robotics project into manageable, testable steps. Ideal for adult beginners, makers, hobbyists, STEM learners, and anyone who wants to understand every wire and every decision, not just copy a diagram.

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