ElecFreaks
Ring:bit Car Accessories (Sonar:bit，Tracking Module and LED Light bar)
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An accessory pack for the ElecFreaks Ring:bit Car V2, adding obstacle avoidance, line-following, and colourful LED lighting to your micro:bit-powered car. Th...
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An accessory pack for the ElecFreaks Ring:bit Car V2, adding obstacle avoidance, line-following, and colourful LED lighting to your micro:bit-powered car. The kit includes three modules that plug directly into the Ring:bit Car for expanded functionality.
What's Included
- Sonar:bit (Ultrasonic Sensor) – 3-wire ultrasonic module with a 4–400 cm detection range (±1 cm tolerance), 3–5V operating voltage. Enables obstacle avoidance.
- Tracking Module – Dual infrared probe line-following sensor with 2–12 mm detection distance. Follows black lines, detects edges, and tracks circular paths.
- LED Light Bar – 8× Rainbow full-colour LEDs for auto-headlights, rainbow effects, and custom lighting.
Key Features
- Plug-and-Play – Connects directly to the Ring:bit Car V2 via 3-wire GVS cables
- micro:bit Programmable – Control all modules through MakeCode or Python
- Three Functions in One Kit – Obstacle avoidance, line following, and LED lighting
Note: Requires the ElecFreaks Ring:bit Car V2 Kit (sold separately). micro:bit board not included.
Ideal For
- Expanding Ring:bit Car V2 capabilities
- Learning about sensors and robotics with micro:bit
- Classroom STEM activities
Package Contents
- 1× Sonar:bit Ultrasonic Module
- 1× Dual IR Tracking Module
- 1× Rainbow LED Light Bar
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- LED
- A light-emitting diode is a small electronic component that lights up when current flows through it in the correct direction. In this kit, LEDs create the flashing effect, so polarity and correct soldering matter for the project to work.
- Tolerance
- Tolerance tells you how far the real resistance value may be from the printed value. A 1% resistor is useful when a circuit needs more predictable behaviour than a looser 5% or 10% part.
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Sensors & Input
STEM & Education
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