Matrix Orbital DD-DB1 LCD/VFD Dev Board - Manual (Page 45)

Peripherals
LK/VK202-25 LK'VK202-25-USB LK/VK204-45 LK/VK204-25-USB
Keypad * 1x12 Header 1x12 Header 1x12 Header 1x12 Header
GPO ** 2x7 Header 2x7 Header 2x7 Header 2x7 Header
DOW *** Available Default Available Default
Table 23: Production Peripheral Options
*Note: Only the 1x12 keypad header is available on production units, a keypad such as the KPP4X4 unit must be purchased
to interface with the display.
**Note: Only the 2x7 GPO header is available on production units, indicator LEDs are not available. Additional indicators
such as Rx, Tx, and power LEDS are also not offered on production models.
***Note: The Dallas One-Wire header is available on production USB units, but must be specially ordered for non-USB
models.
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