Field Notes
Working notes from the bench.
Build logs, postmortems, and updates. Filter by topic, search by keyword, or just scroll.
Latest
The three most recent entries — rotating.
8 of 8 entries
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Field noteSoftwareFirmwarePcb
HELLO LED matrix
Quick note A 4-panel RGB LED matrix with a custom controller board — small project, real engineering, and the right energy to lead a portfolio with. HELLO LED…
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ProjectSoftwareMechanicalPcb
Universal ESP32-C3 Combat Robot Controller
2 entries in this project, from 2024-12-15 → 2025-02-22.
- Universal ESP32-C3 Combat Robot Controller (V1)
- ESP32 combat robot controller (V2)
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Field noteMechanical
Door-slam test fixture
Quick note A custom fixture that automates door hardware testing — mechanical unlock, latching cycle, and a spring-loaded door for dynamic slam loading. To automate the testing of…
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Field noteSoftwareFirmwarePcb
Business Card Music Player
Project story Two flexible PCB coils, an ESP32, and no permanent magnet — can it produce recognizable audio? A contest entry led to a prototype that answered the…
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Field noteFirmwareMechanical
Flash Controller
Quick note An Upwork client engagement — a custom controller board built around timing-critical flash sequencing, with the bench work done over a few weeks in May and…
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Field noteMechanicalSoftware
Automated card scanner
Project explainer A mechatronics rig for a client who needed to scan and scratch a large volume of gift cards automatically — custom PCB, 3D-printed enclosure, Raspberry Pi,…
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BadDoctor Combat RobotSoftware
BadDoctor combat robot
Project story A first combat robot event, a torsion stabbing weapon that did not work, and a robot named BadDoctor that taught more from its losses than its…
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