Arduino Tachometer - Using a Hall Effect Sensor (A3144) to Measure Rotations from a Fan — Maker Portal
Elimeléc's Arduino Projects: Measure RPMs Arduino
AC Fan Speed Control using Arduino and TRIAC
Fan RPM With Internal Hall Effect Sensor and Arduino (Intro to Hardware Interrupt and LCD Display) : 3 Steps (with Pictures) - Instructables
arduino - how to read and control the speed of a 12V - four wire fan? - Electrical Engineering Stack Exchange
Problem measuring 4-pin fan RPM - General Electronics - Arduino Forum
Reading DC fan RPM with Arduino
4-Wired Fan Control (PWM) - Hackster.io
Arduino - Controls Fan | Arduino Tutorial
Control Speed of DC FAN Using Arduino PID Library - Arduino Stack Exchange
Measuring frequency of 3-wire 12V fan on Arduino Uno - Arduino Stack Exchange
Arduino Projects
Digital Tachometer (RPM) using IR Sensor with Arduino
Fan Speed Measurement using IR Sensor & Arduino
Fan control unit with Arduino - Techniccontroller
PWM a 3-pin PC fan with an Arduino - Bald Engineer
25 kHz 4 Pin PWM Fan Control with Arduino Uno - Arduino Project Hub
Reading DC fan RPM with Arduino
Reading DC Fan RPM With Arduino : 6 Steps - Instructables
Use a PC Fan as a Sensor - Arduino Project Hub
4-Wired Fan Control (PWM) - Hackster.io
Arduino PWM pc fan control | arduined.eu
AC Fan Speed Control using Arduino and TRIAC
