NoticeDifference between revisions of "Colorduino V1.4/zh-cn"
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* Hardware UART and IIC communication with easy cascading | * Hardware UART and IIC communication with easy cascading | ||
Revision as of 06:04, 11 September 2014
概要
Colorsduino是一款基于ATMega328芯片，兼容arduino的RGB LED点阵驱动主控板，可以直接驱动60mm*60mm的8*8 LED点阵。板载DM163作为LED驱动芯片的PWM控制器，使得MCU可以由更多的资源去执行其他任务。Colorsduino可以通过IIC和电源接口无缝级联，最多可使用256 colorduino 串联。
注意：与1.3版本相比，1.4版本移除了开关配件。
Go shopping [[[Colorduino]] (SKU:IM140806001)]
Features
- 8位颜色支持
- 支持硬件16MHz PWM
- 无需外接电路，即玩即亮
- 专用的GPIO和ADC接口
- Hardware UART and IIC communication with easy cascading
- 24 constant current channels of 100mA each
- 8 super source driver channels of 500mA each
Spec
| PCB size | 60mm X 60mm X 1.6mm |
| Microprocessor | Atmega328P |
| Indicator | PWR State |
| Power supply | 5V~7.5V DC(7.5V Max) |
| Cascade power connector | Terminal Blocks |
| Program interface | UART/ISP |
| Expansion socket | 100mil bended pin header pair |
| Communication protocols | UART/IIC |
| RoHS | Yes |
Electrical Characteristics
| Specification | Min. | Typical Value | Max. | Unit |
|---|---|---|---|---|
| Power Voltage | 3.5 | 5 | 7.5 | VDC |
| Input Voltage VH: | 4.5 | 5 | 5.5 | |
| Input Voltage VL: | -0.3 | 0 | 0.5 | V |
| Current Consumption(Except LED matrix) | - | 20 | 40 | mA |
| Drive current(Every channel) | 500 | mA | ||
| Drive current(Every dot) | 58 | mA | ||
| Circuit response time | 10 | ns | ||
| RGB LED-Matrix color resolution per dot | 16M | |||
| Uart Baud rate | 9600 | 115200 | bps |
Hardware
| Pad Name | Type | Description |
|---|---|---|
| SDA | I/O | Data wire of IIC Bus |
| SCL | I/O | Clock wire of IIC Bus |
| GND | G | Ground plane |
| VDD | P | Power wire for all digital components |
| RXD | I/O | Data wire of UART Bus |
| TXD | I/O | Data wire of UART Bus |
| DTR | I | Special reset wire of Arduino program |
| VIN | P | Power wire for all LEDs and Super current driver |
| MI | I/O | Data input of ISP |
| MO | I/O | Data output of ISP |
| SCK | I/O | Clock input of ISP |
| RST | I | Reset input of ISP |
