Quantity   Component name
1 × Fubarino Has enough pins, and it was laying around
2 × Dual encoders Custom parts from Propwash Simulation
2 × 7-position rotary selectors "Function" switch for each row
2 × Dual 5-digit LCD with HT1621 Found on eBay: http://www.ebay.com/itm/331009627682
2 × Pushbutton "Changeover" switch to swap active/passive frequencies