what are your dreams? · 2016-04-13 · receiver transmitter ri 3.3k .ølu£ output . ølu£...
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What are your dreams?
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RC CarEbenezer Nkwate, Alex Oliva, Andrés Salgado-
Bierman
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Overview
Layers Of Complexity
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Example Overview for Analog and Digital RC cars
Example Digital RC Car Example Analog RC car
Joystick RF transmitter
RF ReceiverCar
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Controller
Layout Example Sine generator
Limitations: ~ 2kHz - 7kHz (Half of desired)
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Transmitter-ReceiverTransmit signal wirelessly from controller to car
Considerations: carrier frequency and antenna length, choice of components based on Vdd/Vss, required RF power
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Receiver-Transmitter (2)Example FM Transmitter Circuit Example FM Receiver Circuit
homemade-circuits.com
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CarAndres
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Car: Filters
Low Pass filter Band Pass filter
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CarFrequency to Voltage
Motor Control
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GoalsMinimum:
- Successfully employ radio control to turn on a motor.
- Motion may be limited to simply going forward or turning in place.
Goal:
- Control of forward and reverse- Steering through pwm of right and left
motors
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Stretch Goals
- More channels to the car:- Headlights- Siren
- Sensors- Stop before a wall- Send data back to
controller
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TimelineSunday, April 17 - all three modules completed and working individually
Sunday, April 24 - all three modules working together; testing of car performance and debugging; stretch goals designed in detail
Sunday, May 1 - stretch goal circuits built and incorporated into basic RC car design