Input Board¶
The Input Board provides 8 semi-direct inputs for switches, which may be connected as a column of the Matrix Input Board or directly to the controller through SPI.
Switches are (optionally) debounced in software using a vertical counter.
Assembly¶
Either populate the shift register or the column connections.
Shift Register¶
U3U4J12J13
Column¶
R25-R32Q9-Q16D17-D24J11