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ESP32-PCNT-Arduino-Example
Example of using the ESP32's hardware pulse counter to find the RPM of a PC fan from it's tachometer output.
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InfluxDB
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I think you are going to like this: https://github.com/DevX8000/ESP32-PCNT-Arduino-Example
Anyway I recommend to try using only the esp-idf with the esp32 (not the 8266). It is more lightweight, faster and doesn't have so much headaches. (For example https://github.com/espressif/arduino-esp32/issues/315)
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.
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