A
Anonymous
Mar 27, 2026
Rating: 4/5
Solid component
Durable build quality. The encoder disk is a bit thin but functional.
Description
Xinwei speed measurement module with encoder counter for smart car motors using infrared slotted optical coupler sensors
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 3.3V - 5V DC |
| Output Signal | Digital TTL Level |
| Sensor Type | Infrared Slot-Type Photoelectric |
| Working Temperature | -20°C to 75°C |
| Interface | 3-Pin PH2.0 Connector |
| PCB Material | FR-4 Fiberglass |
| Module Dimensions | 32mm x 14mm x 4mm |
| Net Weight | 3.5 grams |
| Compatible Platforms | Arduino, STM32, Raspberry Pi |
| Package Contents | 1x Sensor Module, 1x Encoder Disk |
5 reviews
A
Anonymous
Mar 04, 2026
Rating: 5/5
Great for learning embedded systems
Used this for a university motor control assignment. Very reliable counting.
A
Anonymous
Feb 28, 2026
Rating: 4/5
Good value but instructions could be better
Sensor works well once wired correctly. Had to troubleshoot the pinout initially.
A
Anonymous
Jan 23, 2026
Rating: 5/5
Compact and sensitive
Small footprint fits perfectly in my smart car chassis. Detection is instant.
A
Anonymous
Jan 19, 2026
Rating: 5/5
Perfect for my robotics project
Works flawlessly with my Arduino Uno. The signal is clean and easy to read.
5 FAQ
Q: What is the maximum RPM it can detect?
A: It can handle up to 20,000 pulses per minute reliably.
Q: Is a pull-up resistor needed?
A: The module has built-in resistors, no external ones required.
Q: Does this work with 3.3V logic?
A: Yes, it supports 3.3V to 5V DC input.
Q: What is the slot width for the encoder disk?
A: The slot width is approximately 1.5mm suitable for standard disks.
Q: Can I use this with a Raspberry Pi?
A: Yes, it is compatible with Raspberry Pi GPIO pins.
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