Tamiya 75020 STEM Line Tracing Snail Model  [75020]

Tamiya 75020 - LINE TRACING SNAIL
Price:
AUD$37.04
Brand:
Tamiya
Model:
75020
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Overview of Tamiya 75020 STEM Snail Model

The Tamiya 75020 Line Tracing Snail is a practical kit that helps hobbyists explore the basics of automation and sensing. Its transparent high-impact polystyrene construction exposes the drive train so builders can observe motor and gear interactions. With two Type 130 motors and an infrared LED sensor, the model follows a dark track on a pale surface to demonstrate closed-loop behaviour. Rubber tyres offer steady forward motion, making it a solid choice for introductory robotics and maker workshops.

  • Shell: High-impact polystyrene (HIPS) plastic
  • Motor setup: Two Type 130 motors
  • Detection: Infrared LED sensor

How precise is the line detection?

The infrared sensor reliably detects high contrast lines on matte surfaces, though sensitivity can vary with ambient light. Small adjustments to sensor alignment improve accuracy.

Can I upgrade the motors for more torque?

Upgrading motors is possible but requires checking gear ratios and the chassis fit. For more torque choose compatible Type 130 variants and ensure battery supply matches the increased draw.

Is the transparent body durable for repeated use?

The HIPS material is impact resistant for normal handling, but avoid heavy drops. Treat the clear shell gently during assembly to prevent scratches that can obscure internal details.

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