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The driver chip is installed to protect against overcurrent. The receiver for a regular toy car has an allowable current of 0.8 A to 1.2 A. Power motors are used because they can flow between 1.6 A and more than 7 A.
How to connect is as follows. Connect the VCC of the receiver to pin 4 of TA6586. Connect the GND of the receiver to pin 3 of TA6586. Connect the two motor wires of the receiver to pins 1 and 2 of TA6586. Connect pins 5 and 7 of TA6586 to the motor.
Setting the gear ratio in a Tamiya minicar, competing for the highest lap time. If there are many straight sections, high RPM motors are good, and if there are many rotating sections, high torque motors are good. So, depending on the circuit, you need to use a motor that matches RPM and torque to create the best condition. And the lighter the weight of the toy car, the better.
Most motors differ slightly from specifications. The balance of the rotor is important, and if the motor vibrates due to the amount of soldered lead or the weight of the wound copper wire, the RPM will be lowered.
