Creative Traffic Light LED Display Module DIY Project 3.3V-5V 51 Single Chip
Specifications:
| Size | 56 * 21 * 11mm |
| Color | red, yellow and green |
| LED | 5mm * 3 |
| Brightness | Normal brightness |
| Voltage | 5V |
| Input | Digital signal output |
| Interface | common cathode red and yellow green control alone |
| Platform | Arduino, 51 single chip |
| Material | PCB + Alloy + Plastic |
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