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• Power Supply: DC 5v
• RGB LED: common anode
• IDC2x5 Serial Data Interface
• 16 Channels RGB LED with PWM control
The DFRobot 4x4 RGB LED Matrix can be directly connected with Arduino via F/M cables. If you want ,you can also connect it to Interface shield through an IDC2x5 cables, and then plug the Interface shield to Arduino. This Arduino-compatible module uses three TI TLC5940 PWM LED chips to drive a 4x4 array of RGB LEDs. Each color is controlled by a different chip so you can adjust the reference resistors for the appropriate current. The TLC5940 chips are not directly connected to any Arduino pins, but a header is provided for you to make a manual connection depending on the needs of your sketch.
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