DUO TINY 2

Make a very small computer. It should have a file navigator, file editor, and program interpreter.

Microcontroller: ATTINY861-20PU
(x2) 3 pin male header: 69190-403
32 KB SRAM: 23K256-I/P
128 KB EEPROM: 25LC1024-I/P
20 pin IC socket: 4820-3000-CP
(x2) 8 pin IC socket: 4808-3000-CP
16 x 2 character display: EA DOGM162W-A
(x2) 1 microfarad capacitor: EEA-GA1H1R0
(x6) Button: FSM4JH
(x6) 10K ohm resistor: 291-10K-RC
(x1 for keypad, x3 for SPI select, x1 for SPI MISO, x1 for microcontroller reset)
Larger capacitor: UVR1H100MDD1TA
Switch: MHSS1104
Battery holder: SMTU2032-LF
Board

Button layout:

ESCAPE  UP  RETURN
 LEFT  DOWN  RIGHT