Two Pack Photoelectric Speed Sensor Encoder Coded Disc Wheel For Smart Car Models B, C, D, E, 22Mm Outer Diameter, 3.5Mm Inner Hole, 0.3Mm Thick Alloy Steel, Laser Cut, Mounting Post Ready

Two-Pack Photoelectric Encoder Disc for Smart Car B to E
✔️ Outer Ø22mm, inner Ø3.5mm, 0.3mm thick alloy steel, laser cut

Two-pack encoder discs provide a precise, durable speed sensing element built for model cars and robotics projects. They fix with a mounting post for quick setup on smart car models B, C, D, and E.

✅ Outer diameter: 22 mm
✅ Inner hole diameter: 3.5 mm
✅ Thickness: 0.3 mm
✅ Material: alloy steel, laser-cut
✅ Pack size: 2 pieces

💡 What is a photoelectric encoder disc used for in motion sensing and model car projects?

It reads rotation and turns it into digital signals for microcontrollers. - It provides two TTL-level outputs for speed/direction data
- It fits 22 mm discs with mounting posts for easy integration
- It’s laser-cut from alloy steel for durability in hobby builds
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