A
Anonymous
Apr 12, 2026
Rating: 4/5
Good sensor, slight alignment needed
Signal is clean but requires precise mounting for the disk.
Description
Zave Speed Measurement Module for Smart Cars with Infrared Slotted Optocoupler, Through-Beam Photoelectric Sensor, Encoder Counter, and Motor
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Sensor Type | Infrared Slot-Type Optocoupler |
| Operating Voltage | 3.3V - 5V DC |
| Output Signal | Digital TTL Level |
| Slot Width | 5mm |
| Response Frequency | 20kHz |
| LED Wavelength | 940nm |
| Operating Temperature | -20°C to 85°C |
| Encoder Disk Diameter | 30mm |
| Interface | 3-Pin PH2.0 Connector |
| Compatibility | Arduino, STM32, ESP32 |
5 reviews
A
Anonymous
Mar 23, 2026
Rating: 5/5
Perfect for RPM counting
Works flawlessly with my DC motor setup. Very precise pulses.
A
Anonymous
Mar 05, 2026
Rating: 3/5
Disk size unclear
Works well but I wished the disk diameter was listed more prominently.
A
Anonymous
Jan 26, 2026
Rating: 5/5
Great value kit
The encoder disk is well balanced. No issues with vibration.
A
Anonymous
Jan 24, 2026
Rating: 5/5
Arduino friendly
Easy to integrate with interrupt pins. Highly recommend for robotics.
5 FAQ
Q: Can I use this for linear speed?
A: Yes, if coupled with a wheel of known circumference.
Q: What is the cable length?
A: The connected cable is approximately 20cm long.
Q: What is the max RPM supported?
A: Based on 20kHz response, it supports high speeds depending on disk slots.
Q: Does this work with 3.3V logic?
A: Yes, it operates between 3.3V and 5V DC.
Q: Is the encoder disk plastic or metal?
A: The included encoder disk is made of durable plastic.
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