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1802-Mini-Front-Panel

dmadole·1802-Mini-Front-Panel

1802-Mini-Front-Panel PCB layout, top view — open source board by dmadole
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About the 1802-Mini-Front-Panel PCB

1802-Mini-Front-Panel is an open source PCB design by dmadole, published on GitHub. It is a 2-layer board measuring 100 × 86.4 mm, with 49 components from 27 distinct parts.

Other key parts include the 40240, 4001, 4071, 4011 and CD40244. By type, the board carries 12 switches, 9 ICs, 6 diodes, 5 connectors, 4 capacitors and 4 resistors.

It belongs with the displays & leds designs in this gallery.

From the project

Supports two, four, or six TIL311 hexadecimal displays Left sockets selectable for either LSB or MSB of address Toggle switch input to load memory with CDP1802 processor Displays and toggle input fully decoded on I/O port 4 Can separately disable display or toggle I/O ability Inp

Supports two, four, or six TIL311 hexadecimal displays Left sockets selectable for either LSB or MSB of address Toggle switch input to load memory with CDP1802 processor Displays and toggle input fully decoded on I/O port 4 Can separately disable display or toggle I/O ability Input switch selectable to EF3 or E4 (or neither) Supports LOAD (CDP1802 only), RUN, WAIT, and RESET modes In WAIT mode can single-step one machine cycle at a time Supports either push button or toggle switch for INPUT Stackable to processor card without blocking status LEDs * Highly annotated silkscreen documents…

1802-Mini-Front-Panel, from the project README
From the project README

Main components on the 1802-Mini-Front-Panel

40240400140714011CD402444013

1802-Mini-Front-Panel bill of materials (BOM)

49 components, 27 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
40240
U1
1
4001
U2
1
4071
U3
1
4011
U4
3
CD40244
U5, U6, U9
2
4013
U7, U8
4
Mount
J1, J2, J3, J4
1
Expansion
J5
6
TIL311
DIS1, DIS2, DIS3, DIS4, DIS5, DIS6
1
IN_EF
JP3
1
OUTPUT
JP5
1
INPUT
JP6
1
IN
SW1
1
RUN
SW2
1
MP
SW3
1
LOAD
SW4
1
IN0
SW5
1
IN1
SW6
1
IN2
SW7
1
IN3
SW8
Show 7 more
QtyPartRefs
1
IN4
SW9
1
IN5
SW10
1
IN6
SW11
1
IN7
SW12
6
1N4148
D1, D2, D3, D4, D5, D6
4
0.1u
C1, C2, C3, C4
4
47k
R1, R2, R3, R4

1802-Mini-Front-Panel design files

The KiCad project lives in the dmadole/1802-Mini-Front-Panel repository on GitHub; these links point at the commit this page was built from.

1802-Mini-Front-Panel: common questions

How big is the 1802-Mini-Front-Panel PCB?

The 1802-Mini-Front-Panel measures 100 × 86.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the 1802-Mini-Front-Panel?

49 components, from 27 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the 1802-Mini-Front-Panel design files?

From the dmadole/1802-Mini-Front-Panel repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the 1802-Mini-Front-Panel design in my own project?

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

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