Adafruit
Mini Traffic Light - 6.5cm tall
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A miniature traffic light standing 6.5 cm tall, featuring red, yellow, and green LEDs. Perfect for dioramas, model sets, dollhouses, and electronics learning...
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A miniature traffic light standing 6.5 cm tall, featuring red, yellow, and green LEDs. Perfect for dioramas, model sets, dollhouses, and electronics learning projects. The LEDs are common anode — connect 3–6V to the black wire (anode) and ground through the red, yellow, or green wires to light each colour individually.
Key Features
- Three LEDs – Red, yellow, and green in a realistic traffic light housing
- Common Anode – Black wire is positive, coloured wires are individual cathodes
- 3–6V Operating Voltage – Easy to drive from batteries or microcontrollers
- 6.5 cm Tall – Miniature scale for models and projects
Wiring
- Black wire – Anode (positive, 3–6V)
- Red wire – Red LED cathode
- Yellow wire – Yellow LED cathode
- Green wire – Green LED cathode
Ideal For
- Dioramas and model sets
- Arduino and microcontroller learning projects
- Dollhouses and miniature scenes
- Traffic light programming exercises
Jargon buster
Plain-language definitions for the technical terms used above.
- LED
- A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
- microcontroller
- A microcontroller is a small computer on a single chip that runs a stored program and controls connected inputs and outputs such as buttons, sensors, displays and communication interfaces. In a device built around one, it is the part that executes the code and coordinates the device's behaviour.
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