This is the SMD RGB LED Common Cathode Module, These module has 3 separate LEDs the Red, Green and Blue which can be individually driven by applying a voltage to the appropriate module pin this example code is uses the Arduino analogWrite(PWM) function to cycle through the full possible output colors this smd led module is capable of producing a rainbow color scheme.
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This is the SMD RGB LED Common Cathode Module, These module has 3 separate LEDs the Red, Green and Blue which can be individually driven by applying a voltage to the appropriate module pin this example code is uses the Arduino analogWrite(PWM) function to cycle through the full possible output colors this smd led module is capable of producing a rainbow color scheme.
There is a 4-pin header on the assembly for making connections.
1 x 4 Header
NOTE: On some modules, we have found the labeling on the R and G channels to be swapped. If you go by our connection diagram, you should be good to go.
| Maximum Ratings | ||
| Vcc | 5V | |
| IMax | Maximum Current Draw per LED | < 30mA |
| Operating Ratings | ||
| Voltage Drop | Red LED | 1.8-2.4V |
| Green LED | 2.8 – 3.6V | |
| Blue LED | 2.8 – 3.6V | |
| Polarity | Common Cathode | |
| Dimensions | L x W (PCB) | 20 x 15mm (0.75 x 0.60″) |
he Arduino Leonardo is a microcontroller board based on the ATmega32u4 (datasheet). It has 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16 MHz crystal oscillator, a micro USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.
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