Controller
FRC-1721·AccidentCounter·Hardware/Controller/Controller.kicad_pcb
About the Controller PCB
Controller is an open source PCB design by FRC-1721, published on GitHub. It is a 2-layer board measuring 20.3 × 80.8 mm, with 4 components from 4 distinct parts.
By type, the board carries 3 switches and 1 connector.
It belongs with the wearables designs in this gallery.
From the project
A digital sign hung in the build space advertising days without incident
This repo contains all the firmware and hardware for Tidal Force's "Days Worked Without Incident" counter.
If you're looking for the latest docs/builds, see our Releases Page.
First, clone this repo (and optionally checkout a branch)
Some libraries and resources are included as submodules, run the following command to initialize them before opening the main sch

Controller bill of materials (BOM)
4 components, 4 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Conn_01x04 | SolderWire-1sqmm_1x04_P5.4mm_D1.4mm_OD2.7mm_Relief | J101 |
| 1 | DAY_RESET | SW_PUSH_6mm_H5mm | SW101 |
| 1 | DAY_ADV | SW_PUSH_6mm_H5mm | SW102 |
| 1 | DAY_SUB | SW_PUSH_6mm_H5mm | SW103 |
Controller design files
The KiCad project lives in the FRC-1721/AccidentCounter repository on GitHub; these links point at the commit this page was built from.
Controller: common questions
How big is the Controller PCB?
The Controller measures 20.3 × 80.8 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Controller?
4 components, from 4 distinct parts. The full bill of materials is listed on this page.
Where can I download the Controller design files?
From the FRC-1721/AccidentCounter repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Controller design in my own project?
The repository has no license, so all rights stay with FRC-1721. Use it as a reference, and ask the author before reusing the design.
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