sending of spoofing FM signals to a RC car ?

Projects General Guidance
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hey guys its me again :slight_smile: i removed the receiver and connected my arduino(uno) to the speed controller and gave the arduino 5v on the vin pin, common ground and then i connected the signal to PMW pin 3, the motor is working and im able to drive it for aslong as i would like to, but the problem i am facing is that i can't controll the speed :S i am connected to a PWM pin(3) and if im giving it 255 in value it goes just as fast as if im giving it 1 in value :confused:

do you know what could be causing this ? btw my code:

int signal = 3;
int workingLed = 11;
int force = 1;

void setup() {
  pinMode(workingLed, OUTPUT);
  pinMode(signal, OUTPUT);
}

void loop() {
  analogWrite(signal, force);
  delay(3000);
  analogWrite(signal, force);
  delay(10000);
}