HardLabs

TestRig

RasmusB·USB-Keyboard-Adapter·TestRig/v2/TestRig-PCB/TestRig-PCB.kicad_pcb

TestRig PCB layout, top view — open source STM32 board by RasmusB

About the TestRig PCB

TestRig is an open source STM32 PCB design by RasmusB, published on GitHub. It is a 2-layer board measuring 164 × 73 mm, with 85 components from 23 distinct parts.

Its main chip is the STM32_BLUE_PILL, from the STM32 family. Other key parts include the TCA6424A and TS5A3357. By type, the board carries 25 resistors, 21 test points, 12 LEDs, 11 capacitors, 8 ICs and 5 connectors.

It belongs with the keyboards designs in this gallery.

From the project

An Psion to USB keyboard controller

An ATmega32u4 based keyboard controller. This was designed for use with a Psion Series 5mx keyboard, but should work for other keyboards also.

PCB contains KiCad files for the device itself Firmware/Psion-Keyboard-Firmware contains an Arduino sketch for the firmware * Firmware/ScanTheMatrix is a sketch for scanning the matrix of a keyboard. This is only meant as a tool to map a keyboard with an unknown pinout.

Main components on the TestRig

TCA6424ATS5A3357STM32_BLUE_PILL

TestRig bill of materials (BOM)

85 components, 23 distinct parts — part numbers from the project's BOM.

QtyPartRefs
3
TCA6424A
U201, U401, U501
5
TS5A3357
U301, U302, U303, U304, U305
1
STM32_BLUE_PILL
MOD101
1
AVR-ISP-6
J101
1
AVR-ISP-10
J102
3
DUT_CONN
J201, J401, J501
2
eC_REG
REG101, REG102
3
RESET
TP201, TP401, TP501
3
SCK
TP202, TP402, TP502
3
MOSI
TP203, TP403, TP503
3
MISO
TP204, TP404, TP504
3
VTARGET
TP205, TP405, TP505
3
VBUS
TP206, TP406, TP506
3
GND
TP207, TP407, TP507
3
RED
LED201, LED401, LED501
3
ORNG
LED202, LED402, LED502
3
YLW
LED203, LED403, LED503
3
GRN
LED204, LED404, LED504
11
100n
C201, C202, C301, C302, C303, C304, C305, C401 +3
5
4k7
R101, R102, R203, R403, R503
Show 3 more
QtyPartRefs
2
10k
R103, R104
6
10k 1%
R201, R202, R401, R402, R501, R502
12
270R
R204, R205, R206, R207, R404, R405, R406, R407 +4

TestRig design files

The KiCad project lives in the RasmusB/USB-Keyboard-Adapter repository on GitHub; these links point at the commit this page was built from.

TestRig: common questions

What microcontroller does the TestRig use?

The TestRig is built around the STM32_BLUE_PILL, from the STM32 family.

How big is the TestRig PCB?

The TestRig measures 164 × 73 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the TestRig?

85 components, from 23 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 TestRig design files?

From the RasmusB/USB-Keyboard-Adapter repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the TestRig design in my own project?

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

Can I test firmware for the TestRig 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.

More boards in USB-Keyboard-Adapter

Similar boards