diff --git a/README.md b/README.md index 4e1244d..a1d10c9 100644 --- a/README.md +++ b/README.md @@ -36,6 +36,7 @@ Interfaces the keyboard and the terminal, optionally a USB. These modes of opera - project box - (among others) + ## Connections *TODO* @@ -44,24 +45,29 @@ Interfaces the keyboard and the terminal, optionally a USB. These modes of opera ### Terminal DIN5 Device | Controller | Description +---|---|--- GND | GND | Ground +5V | +5V | Power Data | 6 | Keyboard data to terminal Status | 7 | Status (LEDs) from terminal + ### Keyboard DB25 Device | Controller | Description +---|---|--- GND | GND | Ground +5V | +5V | Power -12V | -12V | via a symmetrical boost converter Serial out | 3 | UART out from keyboard Serial in | 4 | UART in to keyboard + ### Box Interface -Controller | Description -10 | Offline LED -9 | Online LED -8 | Speaker +| Controller | Description | +| ---|--- | +| 10 | Offline LED | +| 9 | Online LED | +| 8 | Speaker |