Diymore DC12V 5A PWM PC Fan Temperature Manumotive Speed Controller Module CPU High-Temperature Alarm with Buzz Probe for Arduino Heat Sink

Price: $9.11
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Product Features

Stall alarm minimum speed: 700-800 rpm. Temperature probe parameters: 50K B = 3950. 10% -100% of the second path and the third path. Output Range: The first channel 20% -100%, or 40% -100% (TFL = ON). Thermostat temperature zone error: error depending on the temperature probe, generally 3-5%.