HardLabs

Keyface external

z00m128·pcb-resources·KeyFace-external/source/keyface-external.kicad_pcb

Keyface external PCB layout, top view — open source PIC board by z00m128

About the Keyface external PCB

Keyface external is an open source PIC PCB design by z00m128, published on GitHub under the CC-BY-NC-4.0 license. It is a 2-layer board measuring 82.6 × 85.5 mm, with 42 components from 19 distinct parts.

Its main chip is the PIC16F84, from the PIC family. Other key parts include the MHB8804, 74LS373, 74LS09, SN74LS07N and 74LS32. By type, the board carries 15 resistors, 9 capacitors, 7 ICs, 4 diodes, 2 crystals and 2 connectors.

From the project

A set of printed circuit boards created by me.

Keyface external, from the project README
From the project README

Main components on the Keyface external

PIC16F84MHB880474LS37374LS09SN74LS07N74LS32

Keyface external bill of materials (BOM)

42 components, 19 distinct parts.

QtyPartRefs
1
PIC16F84
IC1
2
MHB8804
IC2, IC3
1
74LS373
IC4
1
74LS09
IC5
1
SN74LS07N
IC6
1
74LS32
IC7
1
4 MHz
Q1
2
ZXS_48k_BUS
X1, X2
1
Mini-DIN-6
J1
1
USB_A
J2
2
BC547
T1, T2
4
BAT42
D1, D2, D3, D4
1
100uF
C1
2
47p
C2, C3
4
100n
C4, C5, C8, C9
2
33p
C6, C7
3
560R
R11, R12, R13
4
10k
R21, R22, R23, R24
8
4k7
R31, R32, R33, R34, R35, R36, R37, R38

Keyface external design files

The KiCad project lives in the z00m128/pcb-resources repository on GitHub; these links point at the commit this page was built from.

Keyface external: common questions

What microcontroller does the Keyface external use?

The Keyface external is built around the PIC16F84, from the PIC family.

How big is the Keyface external PCB?

The Keyface external measures 82.6 × 85.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Keyface external?

42 components, from 19 distinct parts. The full bill of materials is listed on this page.

Where can I download the Keyface external design files?

From the z00m128/pcb-resources repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Keyface external design in my own project?

It is published under CC-BY-NC-4.0, which limits how it may be reused; read the license before building on it.

Can I test firmware for the Keyface external without the hardware?

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

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