This project describes how to use an ESP32 microcontroller for controlling a 4 pin fan (pwm controlled fan). Main features are: mode 2 (climate mode or temperature controller mode): fan …

By default, the fan PWM output (green wire) is on pin GPIO35, and the thermistor input (brown wire) is on pin GPIO25. Check where the pins are on your board, as some have them …

Aug 29, 2020 · I’ve just received my (first) ESP32 and trying to use it as a controller for a 120mm PWM fan in my network cabinet. I took example on this topic using ESPHome with ledc output.

In this tutorial, we will use 12VDC and 5VDC fans. If DC fan is powered by 12V/5V power supply, it run with full speed. If DC fan is powered by 12V/5V PWM signal, The fan's speed can be …

Jul 31, 2021 · It is possible to control the fan speed not by fan PWM, but by PWM of DC input. In that case the fan can be stopped, but RPM data from the fan is messed up. We will start/stop …

This project is an open-source system designed to control multiple 12V PWM fans based on temperature readings from DS18B20 sensors. It uses an ESP32 microcontroller and supports …

Aug 27, 2019 · I have a couple of 5V USB fans (2 wire) that I have gutted and want to replace their PCBs with a HA controllable alternative. The Sinilink XY-WFMS seemed great, but I …

Mar 13, 2023 · Learn to build a simple LED or Fan speed controller for your ESP32 device. Use the LED PWM Module and begin to control various functions.

Mar 31, 2025 · This project describes how to build a whisper quiet thermostat controlled fan for cooling your media console, gaming cupboard or that dying star in your networking cabinet. …

Jan 21, 2025 · I'm trying to set the duty cycle of a 25kHz signal to control the speed on a 12volt 4-pin computer PWM cooling fan. But my fan seems to be running full speed regardless of the …