quazzie

uart:
  rx_pin: RX
  baud_rate: 4800

binary_sensor:
  - platform: gpio
    pin: 
      number: GPIO0
      mode: INPUT_PULLUP
      inverted: True

quazzie

#include "esphome.h"
using namespace esphome;

class IFan02Output : public Component, public FloatOutput {
  public:
    void write_state(float state) override {
      if (state < 0.3) {
        // OFF
        digitalWrite(5, LOW);
        digitalWrite(4, LOW);