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研华EPD-302 是一款支持快速传输与三色互动LED，适用于黑白3.7寸NFC纸的电子纸终端
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Specifications
| Computing System | Processor | ARM Cortex M0+ RISC 128KB Flash |
| Memory | RAM 20KB | |
|
Display |
Screen Size | 3.7" (53 x 92.99 x 1.0 mm) |
| Resolution | 240 x 416 pixels | |
|
Color |
EPD-302: Black/White EPD-303: Black/White/Red
EPD-304: Black/White/Red/Yellow |
|
|
Storage |
Internal | Flash: 128 KB RAM: 20 KB |
| External | NA | |
| User data/Image | 253bytes | |
|
Protocol |
Type | NFC |
| ISO/IEC | ISO/IEC 15693 type (ePaper image / User data read and write) | |
| Frequency | 13.56 MHz | |
| Power | NFC power supply | |
|
Physical Characteristics |
Outline Dimension | 62.5 x 110.9 x 5.2 mm |
| Weight | 34g | |
| LED | 1 LED with 3 colors | |
| Bracket | Back Holder for EPD-303 | |
|
Environment |
Operating Temperature |
Black & White & Red: 0~40 Black & White: 0 ~ 50 °C
Black & White & Red & Yellow: 0 ~ 50 °C |
| Storage Temperature | -25 ~ 60 °C | |
| Operating Humidity | 80% Relative Humidity, non-condensing | |
| IP | IP68 | |
| Certifications | Safety and EMC | Yes |
Ordering Information
| Part No. | Description |
| EPD-303-N1001 | 3.7" EPD-303 NFC B/W/R Display Blue Fastener |
| EPD-303-N2001 | 3.7" EP-303 NFC B/W/R Display |
| EPD-302-N1001 | 3.7" EPD-302 NFC B/W Display Blue Fastener |
| EPD-302-N2001 | 3.7" EPD-302 NFC B/W Display |
| EPD-304-N1001 | 3.7" EPD-304 NFC B/W/R/Y Display Blue Fastener |
| EPD-304-N2001 | 3.7" EPD-304 NFC B/W/R/Y Display |
Optional Accessories
| Part No. | Description |
| LEO-D30-RD1 | NFC reader |
| 199L000102T000 | Fastener-badge for EPD-303 |
| 199L000101T000 | Back Holder for EPD-303 |
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