AF2310 radio controlled motor circuit design project

Posted on Feb 7, 2014

This circuit is very similar with a car radio controlled toy with seven control functions: forward, forward-left, forward-right, backward, backward-left, backward-right, and stop. Also you can use this radio frequency circuit for some other electronic circuits that require a simple wire less motor controller. The remote control work`s at a frequen

AF2310 radio controlled motor circuit design project

Click here to download the full size of the above Circuit.

cy of 27. 9 MHz and require a 9 volts power supply. Commands are controlled by different sets of electrical contacts that are used to encode a sequence of electrical pulses; the number of pulses depends on which command is being sent. An electrical circuit that is tuned to a frequency of 27. 9 MHz creates a signal that is sent to the antenna when the pulses are active. The antenna converts the electrical energy into radio energy, creating a stream of radio energy bursts, which travel through the air and are picked up by and understood by the radio receiver in the car. If the car is turned on then the radio receiver in the car is continuously monitoring the electrical energy from its antenna. The receiver is a filter which is tuned to amplify any energy around 27. 9 MHz and block energy the antenna picks up outside this region. If the Remote Control Transmitter is sending commands then its radio signal will be picked up by the receiver and converted back into the original pulse sequence. Decoding circuitry then determines which commands were sent by measuring the number of received pulses in the sequence. Signals are then sent to the motors to execute the commands. When operated with strong batteries and in an open area the range will be at least 40 ft. Obstacles will degrade the radio signal`s ability to travel through air and reduce operating range, but will never block it completely. In the car, weak batteries will reduce...

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