smirgol

#!/usr/bin/python3
"""Control an Arduino over the USB port."""

# Based on:
# usb.py
# Created by John Woolsey on 12/17/2019.
# Copyright (c) 2019 Woolsey Workshop.  All rights reserved.

# Reference:
# https://www.woolseyworkshop.com/2020/02/05/controlling-an-arduino-from-a-raspberry-pi/

smirgol

#include <TimerOne.h>

// PWM Pins
#define PIN_FAN1_OUTPUT_PWM 9  // PWM Signal to fan 1  - OUTPUT FAN
#define PIN_FAN2_OUTPUT_PWM 10  // PWM Signal to fan 2 - INPUT FAN
#define PWM_MAX_VALUE 1023 // maximum value of analog pwm throttle signal

// Set these to the defaults that you want on startup (0-255)
int pwm_value_fan1 = 220;
int pwm_value_fan2 = 0;