3. Parameters : - Size : 56*21*11mm - Color : Red,Yellow,green - Voltage :5V - Input : Digital signal output - Interface : Common cathode, red and yellow green control Individually - Operating current : Red 13mA;Yellow 13mA;Green 25mA
4. Use manual : - It just support controller to control; - Input High or Low level from controller to make LEDs ON or OFF. - It can be controlled by PWM,too.
5. Application: - Analog traffic signal system - Teaching demonstration - Indication sign - Light alarm system
6. Frequency asked questions: - Does it work with 3.3V or 5V? : It can work with 3.3V and 5V. - Is it RGB? : No,Each LED lamp can only emit one color of light. - Can 3 LEDs be illuminated at the same time? : Yes,it can be controlled by yourself.