Uploaded May 2019 | Updated September 2026, 3 weeks ago

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Making a tachometer with arduino has never been so easy. I am not only going to show how you can make your own, but also will mention the pros and cons of a few types of RPM sensors, mainly the IR proximity sensor and the hall effect sensor.

Arduino sketches:
- Simple tachometer (Serial): drive.google.com/open?id=1fF-b-D2hYyrRiSvu4FH45FCHrIeO1kYh
- Simple tachometer (Serial) with 2 sensors: drive.google.com/file/d/1k9AAA4nJzwkTm9hihp_SrrmPa7BI2bT6/view?usp=sharing
- Tachometer with 0.96” OLED display: drive.google.com/open?id=1oll_jWIdnyjJan-R98_XlnNrz5qeWjuJ
- Tachometer with Nextion display: drive.google.com/open?id=1KU-hD0ka0OCy0LU9op8_W5vsdTbC4R5B

Nextion display tachometer gauge (3.5” enhanced): drive.google.com/open?id=1HcQ8izH8SXbORlsU7_g15CTJrmq_65al


Components:
- Hall Effect Sensor A3144: amzn.to/2zjmkx3
- IR Sensor: amzn.to/2Fgm3AG
- Arduino nano: amzn.to/3iru0op
- Nextion 3.5" Enhanced: amzn.to/3qMfjTd
- OLED 0.96" I2C: amzn.to/2UNDCLO

Recommended Tools:
- Electronic Parts Tester (ESR LCR-T4): amzn.to/2QvQJlP
- Breadboard (good quality): amzn.to/2QsyY3C
- Storage Case for Jumper Wire: walmart.com/ip/The-Hillman-Group-Large-Storage-Case-1pk/46494509
- Multimeter (Fluke 17B+): amzn.to/2L3PNQk
- Rigol DS1054Z Digital Oscilloscope: amzn.to/2C5ZwD7

Note: As an Amazon Associate I earn from qualifying purchases.

Website: interlinkknight.com
Patreon: patreon.com/InterlinkKnight