Laser Tachometer Based on Arduino

This is my design of a Laser Tachometer based on Arduino.


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This is my design of a Laser Tachometer based on Arduino.

Print settings:

Material: PLA
Layer height: 0.20um

Materials and methods

📌 Used parts:

Arduino Nano:

128 x 32’’ I2C OLED Display:

Tactile Push Button (6x6x7mm):

Battery connector:

Laser emitter:

Laser sensor:

M2x6mm Screws:

📌 Other:

3D File:


Third party used libraries:

Electronic connections:

128 x 32’’ I2C OLED Display to Arduino Nano as follows:

VCC to 5V
SCK to A5
SDA to A4

9V Battery to Arduino Nano as follows:

Negative (black) to GND
Positive (red) to Push Button Pin 1 and Push Button Pin 2 to VIN

Laser Diode to Laser Sensor Module as follows:

Positive (red) to VCC
Negative (blue) to GND

Laser Sensor Module to Arduino Nano as follows:

VCC to 5V
OUT to D2



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7af328e4b4f48791483cd9a5892925e5?default=blank&size=40Bradley Vermaak added this to the Tools collection ago
C95802dea98613ba097d74098a07b459?default=blank&size=40Александр Вишняков added this to the делать collection ago
Mini green mox logomoXDesign added this to the Interesting collection ago
Mini elite worm white background v2Elite Worm published this design ago