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TIMPS2KeyMini

Board-Folk·TIM011B·Extensions/TIMPS2KeyMini/v1.1/Kicad/TIMPS2KeyMini.kicad_pcb

TIMPS2KeyMini PCB layout, top view — open source AVR/Arduino board by Board-Folk
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About the TIMPS2KeyMini PCB

TIMPS2KeyMini is an open source AVR/Arduino PCB design by Board-Folk, published on GitHub. It is a 2-layer board measuring 27.5 × 64.6 mm, with 17 components from 14 distinct parts.

Its main chip is the ATMEGA328, from the AVR/Arduino family. By type, the board carries 6 resistors, 3 connectors, 3 capacitors, 1 IC, 1 transistor and 1 crystal.

From the project

TIM-011 B Replica Board

ATMega328 based PS/2 Keyboard Adapter. A daugherboard that will fit within the mainboard footprint instead of the traditional 5 pin DIN ASCII keyboard socket. This includes the i2c connector for the TIMI2CLEDPanel board which provides the LEDs.

This fits instead of the external RS232 functionality of the original keyboard and connector (serial port RS232 remains). On the mainboard, do not fit the MAX232 at J9, the 5 pin DIN socket J3 and the charge caps C58-C61, fitting the 4 pin header J5 instead. Standoffs will needed to be mounted to secure the mini keyboard board and the pin length of…

TIMPS2KeyMini, from the project README
From the project README

Main components on the TIMPS2KeyMini

ATMEGA328

TIMPS2KeyMini bill of materials (BOM)

17 components, 14 distinct parts.

QtyPartRefs
1
ATMEGA328
U4
1
BC550
Q1
1
16MHz
Y1
1
PS/2
J2
1
I2C
J4
1
KBD
J5
1
Buzzer
BZ1
1
POWER
D1
1
100nF
C2
2
20pF
C9, C10
3
1K
R1, R7, R8
1
10R
R2
1
150R
R3
1
10K
R6

TIMPS2KeyMini design files

The KiCad project lives in the Board-Folk/TIM011B repository on GitHub; these links point at the commit this page was built from.

TIMPS2KeyMini: common questions

What microcontroller does the TIMPS2KeyMini use?

The TIMPS2KeyMini is built around the ATMEGA328, from the AVR/Arduino family.

How big is the TIMPS2KeyMini PCB?

The TIMPS2KeyMini measures 27.5 × 64.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the TIMPS2KeyMini?

17 components, from 14 distinct parts. The full bill of materials is listed on this page.

Where can I download the TIMPS2KeyMini design files?

From the Board-Folk/TIM011B repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the TIMPS2KeyMini design in my own project?

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

Can I test firmware for the TIMPS2KeyMini 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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