DIY Traffic Light Kit. 4-way Stoplight with Red, Yellow and Green LEDs Review
DIY Traffic Light Kit. 4-way Stoplight with Red, Yellow and Green LEDs Feature
- Stop. Look. Solder. Suitable for model towns, railroads, and teaching the basics of electronics and soldering. This high-quality traffic light kit needs only your soldering iron, a 9V battery and a steady hand to yield a 4-1/2" tall, 4-way stoplight with red, yellow and green LEDs (which cycle automatically at an adjustable rate) on each face.
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