
There's a small riddle in order to display the letters 't4m' in the display. You have to enter the right digits in order to see the letter.
In order to test it, enter different 3-digits on the dip switches.
External hardware is not needed, except for the development board.
| # | Input | Output | Bidirectional |
|---|---|---|---|
| 0 | SC1 | RX0 | |
| 1 | RX1 | ||
| 2 | SC3 | ||
| 3 | RX3 | ||
| 4 | RX4 | ||
| 5 | RX5 | ||
| 6 | SC7 | RX7 | |
| 7 |