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Mechanical Parts
Beginner
Grades 6-8
Omni / Ball Caster Wheel
by Generic
SKU: PSA-CMP-CASTER
No reviews yetTypical India street price
₹20–₹50
Not currently sold by PSA — learn about the part below
Third support so 2WD can turn in place.
Interface: Screw mount
Voltage: —
Library reference — not in PSA stock yet
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Concept
A free-rolling support, not driven.
A little theory
Low friction omnidirectional contact. In the classroom, treat Omni / Ball Caster Wheel as a beginner part using Screw mount. Typical India street price is about ₹20–₹50. Always verify voltage and pin labels on your exact module — silk screens vary across clones. Start with a datasheet or trusted learn guide, power the part correctly, share GND with the MCU, and test with a simple blink/read sketch before building the full project.
How it works in a project
Mount at the rear/front opposite the driven axle.
Classroom & project use
- 2WD chassis
- Mechanical Parts classroom demo
- Science exhibition project
Buying in India
Steel ball and plastic roller both common.
Precautions
- Share a common GND with the microcontroller
- Verify polarity and voltage before powering the circuit
Specifications
| Type | Ball / roller caster |
| Category | Mechanical Parts |
| Difficulty | Beginner |
| Voltage | — |
| Interface | Screw mount |
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