| Place of Origin | Guangdong, China (Mainland) |
| Brand Name | HUIDU |
| Model Number | Asynchronously USB and serial port led display card HD-A3 |
| Usage | indoor outdoor semi-outdoor |
| Display Function | Graphics Animation |
| Control range | Single color 32*1024,dual color 32*512 |
| Port | 1 of hub08,2 of hub12 |
| Luminance adjustment | Supporting 50 levels of luminance adjustment |
| Memory | 2M or 8M (and also can be expanded) |
| Time switch | Define to turn on or off |
| Software | HD2013 V4.06 |
HD-A3 (USB and serial port)
Product type | Asynchronously USB and serial port led display card HD-A3 |
Control range | Single color:32*1024 Dual color :32*512
|
Memory | 2M or 8M (and also can be expanded) |
Interface | 1 of Hub08, 2 of Hub12;no need add transfer board |
Scan mode | 1/16,1/8,1/4,1 /2 and static scan, etc |
Communication | USB and RS232 (communication line: 2-2 3-3 5-5 directly) |
Time switch | Define to turn on or off |
Programs quantity | 20PCS |
Time effects | Perpetual calendar and virtual-clock |
Districts | 5 districts |
Clear display effects | More than 30 clean display effects |
Magic boarder | More than 200 types of boarder effects. |
Picture | GIF, JPG, JPEG, PNG, BMP, TXT, RTF etc. |
Voltage | 4.5-6V |
Power | 0.5W |
working temperature | -30°C~+70°C |
Warranty | 1 year |
Software | HD2013 V4.06 |
