Fabric Analyser
Jerome-Graves·fabric-analyser·hardware/pcb/Fabric Analyser PCB.kicad_pcb
About the Fabric Analyser PCB
Fabric Analyser is an open source RP2040/RP2350 PCB design by Jerome-Graves, published on GitHub under the MIT license. It is a 2-layer board measuring 100 × 65 mm, with 17 components from 15 distinct parts.
Its main chip is the Pico, from the RP2040/RP2350 family. By type, the board carries 7 connectors, 4 ICs, 3 resistors, 2 capacitors and 1 transistor.
It belongs with the robotics & motion, test & measurement and science & space designs in this gallery.
From the project
Automated cross-polarised optical scanner for measuring crystal orientation fabric (COF) in ice-core thin sections: RP2350 firmware, Python control/calibration software, KiCad hardware, and full docs.
Electronics for the Fabric Analyser control board and its encoder daughter board.
- pcb/ - main control board (KiCad). Raspberry Pi Pico 2 W (RP2350) core, three TMC2209 stepper axes, LED MOSFET driver, and power. Hierarchical sheets: picocore, tmc2209axis, lightmosfet, encoderspi, power. Includes the .step 3D model. - as5600-daughter-board/ - AS5600 magnetic absolute-encoder daughter board (KiCad + STEP). - cnc/ - DXF copper/mask/edge exports and MakeraCAM (.mkc) jobs for in-house PCB milling. - FabricAnalyserPCB.pdf - schematic / PCB export for quick viewing. - schematicoverview.pdf` -…

Main components on the Fabric Analyser
Fabric Analyser bill of materials (BOM)
17 components, 15 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Pico | RPi_Pico_SMD_TH | U102 |
| 3 | ~ | Adafuit_TCM2209 | U201, U401, U601 |
| 1 | IRLZ44N | TO-220-3_Vertical | Q101 |
| 1 | 12V input | TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J101 |
| 1 | Encoder 1 | JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J102 |
| 1 | Encoder 2 | JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J103 |
| 1 | LED Conn | TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J107 |
| 1 | TMC_PWR_0 | PinHeader_1x02_P2.54mm_Vertical | J108 |
| 1 | TMC_PWR_1 | PinHeader_1x02_P2.54mm_Vertical | J109 |
| 1 | TMC_PWR_2 | PinHeader_1x02_P2.54mm_Vertical | J110 |
| 1 | 220uF | CP_Radial_D10.0mm_P5.00mm | C101 |
| 1 | 0.1uF | C_Disc_D5.0mm_W2.5mm_P5.00mm | C501 |
| 1 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R101 |
| 1 | 100 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R501 |
| 1 | 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R502 |
Fabric Analyser design files
The KiCad project lives in the Jerome-Graves/fabric-analyser repository on GitHub; these links point at the commit this page was built from.
Fabric Analyser: common questions
What microcontroller does the Fabric Analyser use?
The Fabric Analyser is built around the Pico, from the RP2040/RP2350 family.
How big is the Fabric Analyser PCB?
The Fabric Analyser measures 100 × 65 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Fabric Analyser?
17 components, from 15 distinct parts. The full bill of materials is listed on this page.
Where can I download the Fabric Analyser design files?
From the Jerome-Graves/fabric-analyser repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Fabric Analyser design in my own project?
Yes, under the terms of its MIT license, which Jerome-Graves chose for the repository.
Can I test firmware for the Fabric Analyser without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.
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