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Re: Materials for a robotics class of 30
Several posts ask what your educational goals are. You previously stated they're a bit unwieldy to post at this time. I'm OK with that.
Taking a different approach, what is it you'd like to see taught (or at least have the supplies to teach?). Then go get supplies that will allow you to do that. Don't forget some consumables and throw-away items (like styrofoam, paper, glue, tape, pins, etc). Here are my thoughts (which are surely incomplete):
Programming
Gear ratios
Speed vs torque vs power (of motors)
Overall energy budget
Motion and simple machines
Strength of materials (at least relative to what you;re building)
Fastening methods
Sensors of many types (optical line follower, camera optical, switch, ultrasonic distance, thermal, sound, wheel speed/gear tooth, odometry, accelerometer, gyro (yaw rate), pressure (mechanical), pressure (pneumatic)).
Precision measuring and fabrication*
Pneumatics in all its glory
Friction (of wheels/good; in mechanisms/bad)
Inertia
Electrical quantities & measurements
*the ideas behind precision fabrication - I'm not sure making something would be necessary
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