RPM Gauge

I've made this digital RPM gauge with a hall effect sensor to detect pulses from a rotating magnet. The magnet can be attached to any rotating / revolving mechanism to make a single pulse with one rotation.

Parts needed:
1. D1 mini ESP32 (Type-C USB CP2104 version)
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2. 1.28" GC9A01 display (7 Pin Version)


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3. Unipolar Hall sensor A3144
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Note: Still I have not turned on monetization for my page, buying from these affiliated links are the only way to support my works.
Circuit Diagram:


Code:
This project's source code is free and available on my github repository

Code upload guideline:
I've made a pdf guideline in the drive link below
 
If you face any problems with the project, feel free to send me e-mail with a subject "moon phase" to abid.business01@gmail.com

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