| Brand | Gringo Gadgets |
|---|---|
| Country/Region of Manufacture | China |
| MPN | GG-TRS-OSV-100 |
| UPC | 811681033504 |
Check the listing for details. Output Status Visualizer for TRS-80 Model I Digital I/O Board. Listed at 4.49 USD. Output Status Visualizer for Digital I/O Board. This output status visualizer displays the status of 8 output pins of the Gringo Gadgets Digital I/O Board for the TRS-80 Model I. This plug-in board has a power-LED to indicate presence of power at the port, as well as 8 LEDs, each showing whether the output is turned on (high) or turned off (low).