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Reading "open collector output" safely with MCU? (Faulty Noctua fan)
How to read RPM from 3-wire fan - PIC18F4550 - Electrical Engineering Stack Exchange
DIY Arduino Tachometer using IR Sensor
Fan 2 click - board with MAX31760 precision fan-speed controller | MikroElektronika
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Reading "open collector output" safely with MCU? (Faulty Noctua fan)
DAOKI 5Pcs Speed Measuring Sensor LM393 Speed Measuring Module Tacho Sensor Slot Type IR Optocoupler for MCU RPI Arduino DIY Kit with Encoders: Amazon.com: Industrial & Scientific
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![XGecu T48 [TL866-3G] Programmer Support 31000+ ICS for EPROM/MCU/SPI/Nor/NAND Flash/EMMC/IC Tester/ TL866CS TL866II Improvement + 14 Parts: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71czeuDWSzL._AC_UF1000,1000_QL80_.jpg "XGecu T48 [TL866-3G] Programmer Support 31000+ ICS for EPROM/MCU/SPI/Nor/NAND Flash/EMMC/IC Tester/ TL866CS TL866II Improvement + 14 Parts: Amazon.com: Industrial & Scientific")
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Measure RPM - Optical Tachometer : 10 Steps (with Pictures) - Instructables
Topic: PC 12V 3 pin fan slows down when trying to connect tacho signal
Problem measuring 4-pin fan RPM - #17 by gene-pavlovsky - General Electronics - Arduino Forum
Using a programmable system-on-chip for fan control - Embedded.com
DAOKI 5Pcs Speed Measuring Sensor LM393 Speed Measuring Module Tacho Sensor Slot Type IR Optocoupler for MCU RPI Arduino DIY Kit with Encoders: Amazon.com: Industrial & Scientific
Read fan speed with Arduino
