Features:
- Operating Voltage: 3.3V to 5VDC – Compatible with various microcontroller platforms
- Slot Width: 5mm – Suitable for detecting objects passing through the sensor
- Output Signal: Analog and Digital – Flexible interfacing with different microcontrollers or processing units
Specifications:
- Operating Voltage: 3.3V to 5VDC
- Slot Width: 5mm
- Output Signal: Analog and Digital
- PCB Dimension: 3.2cm x 1.4cm
Pinout:

- VCC: Connect to the positive 3.3V - 5V power supply
- GND: Ground
- DO: TTL switch signal output
- AO: Not Applicable
Video:
In the provided video tutorial, an RPM Tachometer is demonstrated, showcasing how to measure the speed of a motor using Arduino, an OLED display, an optical sensor, a breadboard, and jumper wires.
Features:
- Operating Voltage: 3.3V to 5VDC – Compatible with various microcontroller platforms
- Slot Width: 5mm – Suitable for detecting objects passing through the sensor
- Output Signal: Analog and Digital – Flexible interfacing with different microcontrollers or processing units
Specifications:
- Operating Voltage: 3.3V to 5VDC
- Slot Width: 5mm
- Output Signal: Analog and Digital
- PCB Dimension: 3.2cm x 1.4cm
Pinout:

- VCC: Connect to the positive 3.3V - 5V power supply
- GND: Ground
- DO: TTL switch signal output
- AO: Not Applicable
Video:
In the provided video tutorial, an RPM Tachometer is demonstrated, showcasing how to measure the speed of a motor using Arduino, an OLED display, an optical sensor, a breadboard, and jumper wires.