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Nova 1200 front panel

ForgottenMachines·Data-General-Nova·DG Nova Front Panel by Marcel van Herk/nova1200rev3pcb/nova1200_fptest.kicad_pcb

Nova 1200 front panel PCB layout, top view — open source AVR/Arduino board by ForgottenMachines
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About the Nova 1200 front panel PCB

Nova 1200 front panel is an open source AVR/Arduino PCB design by ForgottenMachines, published on GitHub. It is a 2-layer board measuring 397.5 × 119.4 mm, with 203 components from 31 distinct parts.

Its main chip is the Arduino_Nano_v3.x, from the AVR/Arduino family. Other key parts include the MCP23017_SP, 74LS173, 24LC1025, 74LS42 and 4051. By type, the board carries 63 resistors, 47 diodes, 26 switches, 25 ICs, 21 connectors and 19 capacitors.

It belongs with the dev boards & breakouts designs in this gallery.

From the project

This repository is about restoration of a 1972 Data General Nova1210 computer I proudly posses.

This repository is about restoration of a 1972 Data General Nova1210 computer I proudly posses.

It came without a frontpanel, hence creation of what is the main contents sofar.

In the mean time, this repository contains several projects:

teensy_nova: for those of you who want a tiny emulated Nova1200 computer, just add a breadboard, a Teensy (3.2, 3.2, 3.5, 4.0 or 4.1) a few switches and wires and an SDI ILI9341 TFT display (note that pinouts can differ, mines are without touch and have 9 pins on one side). Also works very nicely (no wires required) on a Featherwing 2.4 inch TFT touch…

Main components on the Nova 1200 front panel

MCP23017_SP74LS17324LC102574LS424051LM7808_TO22025LCxxxTeensy3.2SFH617A-17402Arduino_Nano_v3.x

Nova 1200 front panel bill of materials (BOM)

203 components, 31 distinct parts.

QtyPartRefs
5
MCP23017_SP
U1, U2, U3, U4, U15
8
74LS173
U5, U6, U9, U10, U11, U12, U13, U14
4
24LC1025
U7, U8, U17, U19
1
74LS42
U16
1
4051
U18
1
LM7808_TO220
U20
1
25LCxxx
U21
1
Teensy3.2
U22
2
SFH617A-1
U23, U25
1
7402
U24
1
Arduino_Nano_v3.x
A1
1
Conn_02x26_Odd_Even
J1
1
Conn_02x05_Odd_Even
J2
1
Conn_02x09_Odd Even
J3
1
Conn_01x02_Male
J4
1
Conn_01x03_Female
J5
1
Conn_02x05_Odd_Even
J6
2
Conn_01x04
J7, J8
1
Conn_01x05_Male
J9
4
Conn_01x01_Male
J10, J13, J14, J20
Show 11 more
QtyPartRefs
5
Conn_01x04_Female
J11, J12, J15, J16, J17
2
Conn_01x04_Male
J18, J19
1
Conn_01x06_Male
J24
1
MountingHole
FPIMAGE1
16
SW_SPST
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +8
10
SW_SPDT_MSM
SW17, SW18, SW19, SW20, SW21, SW22, SW23, SW24 +2
47
LED_ALT
D1, D2, D3, D4, D5, D6, D7, D8 +39
19
CP1_Small
C1, C2, C3, C4, C5, C6, C7, C8 +11
37
4K7
R1, R2, R3, R4, R5, R6, R7, R8 +29
21
1K
R38, R39, R40, R41, R42, R43, R44, R45 +13
5
100K
R57, R58, R59, R60, R61

Nova 1200 front panel design files

The KiCad project lives in the ForgottenMachines/Data-General-Nova repository on GitHub; these links point at the commit this page was built from.

Nova 1200 front panel: common questions

What microcontroller does the Nova 1200 front panel use?

The Nova 1200 front panel is built around the Arduino_Nano_v3.x, from the AVR/Arduino family.

How big is the Nova 1200 front panel PCB?

The Nova 1200 front panel measures 397.5 × 119.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Nova 1200 front panel?

203 components, from 31 distinct parts. The full bill of materials is listed on this page.

Where can I download the Nova 1200 front panel design files?

From the ForgottenMachines/Data-General-Nova repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Nova 1200 front panel design in my own project?

The repository has no license, so all rights stay with ForgottenMachines. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Nova 1200 front panel without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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