Microbit robot assembly
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This document provides assembly instructions for a microbit robot. It outlines the key design considerations, such as placing the heaviest battery pack between the drive and caster wheels for proper balance. The motors should be oriented so wiring can feed up to the L298 motor controller board mounted on standoffs above. The L298 controller uses signals from the microbit to vary the speed and direction of the motors using an H-bridge circuit.
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Microbit robot assembly
- 3. Top View
- 4. Bottom View
- 7. Design Issues Heaviest part of robot ( 6V battery pack) needs to be between drive wheels and caster wheels for robot to drive properly Putting 6V battery underneath gives more room for circuitry on top Motors should be oriented to enable all wires to feed up to L298 Motor Controller
- 8. Caster Wheel- standoffs needed to make robot level
- 18. L298N H-Bridge Motor Controller The Motor controller enables the motors to rotate in either direction at variable speed, using logic signals from the MicroBit pins
- 21. H-Bridge
- 28. Wiring Test If motor does not go forward, reverse motor connections to board