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The Rainbowduino board (V3.0) is an Arduino compatible controller board with professional multiplexed LED driver. It can drive a 8×8 RGB Led Matrix or a 4x4x4 RGB LED Cube in common Anode mode. Rainbowduino v3.0 uses two MY9221 chips which is a 12-channels (R/G/B x 4) constant current Adaptive Pulse Density Modulation(APDM). Rainbowduino v3.0 has provisions for cascading more such boards with I2C interface.
Rainbowduino v3.0 is flashed with Arduino boot-loader and this makes it easy to program sketches using Arduino IDE. Unlike other LED drivers, this comes with a USB to UART (FT232RL) inbuilt for programming the sketches.
Features
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Provides 2 x 16 pin header for connecting multiplexed LEDs.
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Constant current(20.8mA) LEDs driver.
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Can drive 4x4x4 RGB LED Cube or 8×8 RGB LED Matrix (i.e 192 LED).
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Built in USB to UART chip (FT232RL)
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Built in 5V / 1 Ampere voltage regulator.
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Can be driven directly via USB cable (No external power adapter needed).
Documents
Please visit our wiki page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to our forum.
