09-09-2024, 11:12 PM
yes, if you don't use RF 433M module, you can use gpio2 for PWM output. here is arduino demo code for GPIO2 use for PWM.
Code:
const int pwmChannel = 0;
const int pwmFreq = 5000;
const int pwmResolution = 8;
const int gpioPin = 2; // GPIO2
void setup() {
// Configure the PWM channel
ledcSetup(pwmChannel, pwmFreq, pwmResolution);
// Attach GPIO2 to the PWM channel
ledcAttachPin(gpioPin, pwmChannel);
}
void loop() {
// Output a PWM signal with 50% duty cycle
ledcWrite(pwmChannel, 128); // 128 is 50% of 8-bit resolution
}