{"title":"Ring:bit Car Accessories (Sonar:bit，Tracking Module and LED Light bar)","handle":"ring-bit-car-accessories-sonar-bit-tracking-module-and-led-light-bar","url":"/products/ring-bit-car-accessories-sonar-bit-tracking-module-and-led-light-bar","description":"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.\n\nWhat's Included\n\n\nSonar:bit (Ultrasonic Sensor) – 3-wire ultrasonic module with a 4–400 cm detection range (±1 cm tolerance), 3–5V operating voltage. Enables obstacle avoidance.\n\nTracking Module – Dual infrared probe line-following sensor with 2–12 mm detection distance. Follows black lines, detects edges, and tracks circular paths.\n\nLED Light Bar – 8× Rainbow full-colour LEDs for auto-headlights, rainbow effects, and custom lighting.\n\n\nKey Features\n\n\nPlug-and-Play – Connects directly to the Ring:bit Car V2 via 3-wire GVS cables\n\nmicro:bit Programmable – Control all modules through MakeCode or Python\n\nThree Functions in One Kit – Obstacle avoidance, line following, and LED lighting\n\n\n\nNote: Requires the ElecFreaks Ring:bit Car V2 Kit (sold separately). micro:bit board not included.\n\n\nIdeal For\n\nExpanding Ring:bit Car V2 capabilities\nLearning about sensors and robotics with micro:bit\nClassroom STEM activities\n\n\nPackage Contents\n\n1× Sonar:bit Ultrasonic Module\n1× Dual IR Tracking Module\n1× Rainbow LED Light Bar\n\n\nResources\n\nRing:bit Car V2 Wiki\n","vendor":"ElecFreaks","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":4605,"title":"Default Title","sku":"EF-EF03435","price":41.21,"compare_at_price":0.0,"on_sale":false,"in_stock":true,"available_quantity":109,"option1":"Default Title"}]}