I/O Expansion Kit
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*This is included with the Altair-duino Pro kit.
This is the kit for the I/O Expansion Update normally included with the “Acrylic case and I/O expansion upgrade” except without the acrylic pieces. It includes the custom circuit board, all components, rear panel, and 14-pin cable. It will also include the latest Assembly & Operations manual.
This emulates a VT100 serial terminal using a VGA monitor and USB keyboard. It also has a TTL to RS232 converter.
This is designed to be used with the version 1.5 and later Altair-Duino main board. However, it can be used for other purposes by an intrepid maker. If that is you, here are some things you may want to know:
The 14-pin connector “pin-out”:
RX1/TX1 (Arduino pins 18/19) are wired to the PIC32 for VT100 emulation.
RX2/TX2 (Arduino pins A6/A7) are wired to the SP3232 for DB9 serial.
The “Test Input” can also be used to provide a connection to the PIC32. All inputs are TTL-voltage compatible.
You can power the board via the USB connector or supply 5v on connector P2. If you provide power to the board through any method other than the Altair-Duino main board, you will want the “3v Selector” jumper set to “INT” (3.3v will then be provided by the MCP1700 voltage regulator.)
Here are the baud rate settings for the VT100 emulator using the “baud rate” jumpers:
|Shipping Weight||13 oz|
|Shipping Dimensions||8 × 5 × 2 in|