Wire Soldering Jig — original models
Hold the wires. Leave room for the soldering iron. A compact fixture exploring repeatable wire positioning.
ZIP · 6 STL · 1 STEP · 1 3MF · 287.6 KBDownload ↓
Resources
Take the next step. Build from here.
Download a starting worksheet, explore the projects’ CAD files, or find files shared by the initiative.
07 / TEIReady to use
Useful files. Clear starting points.
The biosignal monitor release includes the original application, both enclosure STL files, a signal map and build notes. The Wire Soldering Jig and Bench Vice downloads include their original mechanical models. Blank worksheets support your own planning and testing.
Project release · 22 Oct 2026
Read the project build notes →Bench Vice — original models
Turn the handle. Move the jaw. A mechanical study of screw-driven clamping and guided travel.
ZIP · 10 STL · 3.31 MBDownload ↓
Complete biosignal project
Code, supplied libraries, both STL meshes, MEGO reference CAD, five wiring sheets, module and build photographs, and offline tutorials in one ZIP. Extract it and open START_HERE.html.
ZIP · v1.2 · updated 22 Oct 2026 · 6.09 MBDownload ↓
Application & supplied libraries
Six unchanged Python files: main.py, the latest supplied calculator, the MAX30102 package and both fonts, arranged for copying to the Pico. The display driver imports successfully; the builder reports prior hardware tests passed.
ZIP · 6 Python files · 12.9 KBDownload ↓
Enclosure print files
Both original meshes: ECG_Part_1.stl and ECG_Part_2.stl. Check model scale, orientation, clearances, and slicer settings before printing.
ZIP · 2 STL meshes · 109.1 KBDownload ↓
Pictorial wiring guide
Five breadboard-style sheets with coloured jumper paths, GPIO and physical pin numbers, and labelled module terminals. Includes SVG and PNG versions with an offline index.
ZIP · 5 wiring sheets · 583.0 KBDownload ↓
Code-derived signal map
A labelled SVG showing the program's GPIO assignments. Supply paths are documented in the separate power map; EMG output conditioning still needs verification.
SVG · scalable diagram · 7.5 KBDownload ↓
Reported power connections
STEPico 3V3 and common GND connections, plus the separate MEGO-to-EMG supply path. Reported wiring is distinguished from the optional backlight assignment.
SVG · scalable diagram · 6.6 KBDownload ↓
MEGO Dual reference CAD
The supplied Fusion archive for the power module, preserved unchanged. This is a component reference, not the complete enclosure assembly.
F3Z · Fusion archive · 443.8 KBDownload ↓
STEPico setup guide
Six manufacturer-based steps for a new board: Thonny, driver-compatible firmware, BOOT / RUN, UF2 transfer, interpreter selection and the six project files. Includes the recorded working environment and supplied firmware references.
HTML · printable setup steps · 6.8 KBDownload ↓
Build and dependency notes
A printable guide to the module photographs, pictorial wiring sheets, source assignments, dependencies, and remaining checks.
HTML · printable guide · 35.6 KBDownload ↓
Engineering project brief
A printable worksheet to define the problem, users, constraints, possible approaches, and the first test.
HTML · printable worksheetDownload ↓
Prototype test record
A printable sheet for recording a method, expected result, observation, evidence, and next revision.
HTML · printable worksheetDownload ↓
Biosignal monitor design studies
Three original-resolution design images from the featured project. Reference images, not editable CAD models.
ZIP · 3 PNG reference imagesDownload ↓
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