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IBM-ModelM-101

idpromnut·usb-keyboard·hardware/IBM-ModelM-101.kicad_pcb

IBM-ModelM-101 PCB layout, top view — open source STM32 board by idpromnut

About the IBM-ModelM-101 PCB

IBM-ModelM-101 is an open source STM32 PCB design by idpromnut, published on GitHub under the MIT license. It is a 2-layer board measuring 175.4 × 50 mm, with 62 components from 39 distinct parts.

Its main chip is the STM32F102C6, from the STM32 family. Other key parts include the TLV70233DBV. By type, the board carries 24 resistors, 13 LEDs, 12 capacitors, 7 connectors, 2 ICs and 2 switches.

It belongs with the keyboards designs in this gallery.

From the project

A STM32-based USB keyboard firmware.

- idollar for an excellent map of keys to the membrane in the Model-M keyboard (https://deskthority.net/workshop-f7/universal-model-m-controller-t9820.html#p207736)

Main components on the IBM-ModelM-101

TLV70233DBVSTM32F102C6

IBM-ModelM-101 bill of materials (BOM)

62 components, 39 distinct parts.

QtyPartRefs
1
TLV70233DBV
U1
1
STM32F102C6
U2
1
8MHz
X1
1
CONN-MOLEX-0670688000-USB-B
J1
1
KEYBOARD_ACTIVE_LINES
J2
1
KEYBOARD_INPUT_LINES
J3
1
CHASSIS_GROUND
J4
1
STATUS_LEDS
J5
1
DEBUG_FTDI
J6
1
JTAG
J7
1
USBLC6-2SC6
DZ1
1
BOOT0
SW1
1
RESET
SW2
1
5V_PWR_GOOD
DS1
1
3V3_PWR_GOOD
DS2
1
SCROLL LOCK
DS3
1
CAPS LOCK
DS4
1
NUM LOCK
DS5
1
PA0
DS6
1
PA1
DS7
Show 19 more
QtyPartRefs
1
PA2
DS8
1
PA3
DS9
1
PA4
DS10
1
PA5
DS11
1
PA6
DS12
1
PA7
DS13
6
100nF
C1, C2, C4, C5, C8, C12
2
1uF
C3, C6
1
10uF
C7
1
1uF
C9
2
20pF
C10, C11
1
4K7
R1
12
2K
R2, R10, R14, R15, R17, R18, R19, R20 +4
2
22R
R3, R4
2
100K
R5, R12
1
1K5
R6
4
10K
R7, R8, R9, R11
1
JTAG_5V
R13
1
JTAG_3V3
R16

IBM-ModelM-101 design files

The KiCad project lives in the idpromnut/usb-keyboard repository on GitHub; these links point at the commit this page was built from.

IBM-ModelM-101: common questions

What microcontroller does the IBM-ModelM-101 use?

The IBM-ModelM-101 is built around the STM32F102C6, from the STM32 family.

How big is the IBM-ModelM-101 PCB?

The IBM-ModelM-101 measures 175.4 × 50 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the IBM-ModelM-101?

62 components, from 39 distinct parts. The full bill of materials is listed on this page.

Where can I download the IBM-ModelM-101 design files?

From the idpromnut/usb-keyboard repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the IBM-ModelM-101 design in my own project?

Yes, under the terms of its MIT license, which idpromnut chose for the repository.

Can I test firmware for the IBM-ModelM-101 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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