Friendly Greeting
Worked for 12 mins 4 sec
The preflight improved after correcting an inherited 2 mm trace-width rule, but the board still has footprint-level pin conflicts and many inaccessible pads. I’ll proceed with the router so it can complete every connection that is physically feasible, then report the exact residuals.
Worked for 35 mins 40 sec
Auto-routing has been applied to all feasible connections. I’m running the final board checks now and documenting the remaining footprint-level blockers.
Worked for 2 mins 51 sec
His Holiness, Señior Solveig, I applied placement optimization, removed obsolete routing, corrected the inherited 2 mm trace-width rule, and ran a fresh auto-route. The router added 354 traces/vias, but 117 airwires remain because of inaccessible or overlapping footprint pads.
Open items
- Duplicate/overlapping
U5footprints. - Invalid pad overlaps within
J4andIC2. - Numerous blocked pads around
U3and several 0201 passives. - One locked legacy trace could not be removed.
- The PCB is not yet manufacturing-ready.
Suggested next steps
- Repair or replace the malformed footprints and duplicate
U5. - Unlock and remove the remaining legacy trace.
- Re-run placement and routing after those corrections.
- Perform a final manufacturing DRC review.
Fix blockers and reroute
Fix footprint blockers
Remove locked trace
Review U3 escape
Run schematic review
Document blockers
Refine this doc
Ask about this doc
Markdown Style Guide
This document demonstrates the main Markdown styles you can use in Flux project docs, but in a format that also resembles a realistic electronics engineering note. Think of it as a hybrid between a style demo and an example design brief for a small controller board.
Project Summary (h2)
PICO Smart Automation Controller (h1)
Document status (bold): Draft
Revision (bold): Rev A
Owner (bold): Hardware Team
Last updated (bold): 2026-03-20
Revision (bold): Rev A
Owner (bold): Hardware Team
Last updated (bold): 2026-03-20
This example project targets a compact automation controller with:
- 24 V industrial input
- 3.3 V digital logic rail
- Relay or MOSFET outputs for external loads
- Sensor and communications headers
- A small MCU for automation logic
The goal here is not to define the final design, but to show how a real project document can use Markdown for structure, readability, and collaboration.
Headings (h2)
Heading 1
Heading 2
Heading 3
Heading 4
Headings are useful for turning long design notes into something scannable.
Text Formatting (h2)
- Plain text for normal notes
- Bold for critical requirements or values
- Italic for emphasis or comments
- Bold italic for high-priority warnings
Strikethroughfor deprecated ideas or rejected optionsInline codefor net names, register fields, commands, or property names
Example sentence:
The controller shall accept 24 V nominal input, regulate to 3.3 V, and expose a
UART_DEBUG interface for bring-up.Requirements (h2)
Bullet List (h3)
- Input voltage range should tolerate typical industrial supply variation
- Digital domain should run from 3.3 V
- External I/O should be clearly labeled
- Inputs: dry contact or logic-level sensing
- Outputs: protected low-side switching
- Status indication should include at least one power LED
Numbered List (h3)
- Define power architecture
- Select control MCU and support circuitry
- Partition field I/O from logic domain
- Review manufacturability
- Check footprint completeness
- Check assembly access and connector placement
Task List (h3)
- Create initial requirements doc
- Define top-level power rails
- Confirm connector pinout with mechanical team
- Finalize protection strategy on field inputs
- Review BOM cost target
Notes and Callouts (h2)
Design note (blockquote + bold) Keep noisy switching paths compact and separated from sensitive analog or communication nets.In a real project, this style works well for reminders, review findings, or manufacturing notes.
Open question (blockquote + bold) Should the field I/O connector use pluggable terminals or a fixed shrouded header?
Links (h2)
Links are handy for datasheets, manufacturing rules, compliance references, and issue trackers.
Interface Overview (h2)
Top-Level Signal Table (h3 + table)
Table
| Interface | Direction | Voltage Domain | Purpose | Notes |
|---|---|---|---|---|
| VIN_24V | Input | 24 V | Main power input | Reverse-polarity and surge protection recommended |
| 3V3 | Internal rail | 3.3 V | MCU and logic supply | Decouple close to each IC |
| UART_DEBUG | Bidirectional | 3.3 V | Debug and firmware bring-up | Keep accessible during validation |
| I2C_SENS | Bidirectional | 3.3 V | Sensor expansion | Pull-ups required on bus |
| DO_1..4 | Output | Field domain | Load drive outputs | Add flyback strategy if inductive loads are expected |
Example Parameter Table (h3 + table)
Table
| Parameter | Target | Min | Max | Notes |
|---|---|---|---|---|
| Input voltage | 24 V | 18 V | 30 V | Industrial nominal input |
| Logic rail | 3.3 V | 3.2 V | 3.4 V | Tight regulation preferred |
| Ambient operating temp | 25 C | -20 C | 60 C | Example environmental target |
| Output current per channel | 500 mA | 0 mA | 1 A peak | Depends on switching device and thermal design |
Architecture Notes (h2)
Functional Blocks (h3)
- Input protection
- DC/DC or regulator stage
- MCU and clocking
- Communications and debug
- Output drivers
- Connectorized field interface
Example Design Intent (h3)
The board should be easy to assemble, easy to bring up, and tolerant of common wiring mistakes. Early revisions should prioritize debuggability over extreme density.
Code Blocks (h2)
JSON Example (h3 + fenced code block)
JSON
{ "project": "pico-smart-automation-controller", "revision": "A", "powerInput": "24V", "logicRail": "3.3V", "status": "draft" }
Python Example (h3 + fenced code block)
Python
vin = 24.0 vout = 3.3 iin = 0.12 pin = vin * iin print(f"Estimated input power: {pin:.2f} W")
Bash Example (h3 + fenced code block)
Bash
echo "Export BOM" echo "Run review checks" echo "Prepare manufacturing package"
Net Naming Example (h3 + fenced code block)
Text
VIN_24V GND 3V3 UART_TX UART_RX I2C_SCL I2C_SDA DO_1 DO_2 DO_3 DO_4
Horizontal Rule (h2)
Embedded Media Syntax (h2)
Markdown image syntax can be used in docs when you have an image URL:
Md
That is useful for:
- Layout screenshots
- Block diagrams
- Test setup photos
- Thermal plots
Mixed Formatting Example (h2)
During bring-up, verify that VIN_24V is present, confirm the 3.3 V rail is stable, inspect
UART_DEBUG, and link any relevant test report in a sentence like this: Bring-up Checklist.Escaping Characters (h2)
Use backslashes to escape characters when you want them rendered literally:
*not italic*
# not a heading
`not code`
# not a heading
`not code`
This is useful for docs that explain Markdown itself.
Mermaid Diagram (h2)
Diagram
Review Section Example (h2)
Risks (h3)
- Thermal rise may be significant if linear regulation is used from 24 V to 3.3 V
- Connector pinout ambiguity can create installation errors
- Inductive loads may require suppression at the board output or at the load
Mitigations (h3)
- Prefer efficient regulation for the main logic rail
- Label all field terminals clearly in schematic and silkscreen
- Reserve footprint space for protection or snubbing where appropriate
Decision Log (h2 + table)
Table
| Date | Decision | Status | Rationale |
|---|---|---|---|
| 2026-03-20 | Use Markdown doc for project notes | Accepted | Easy to maintain in project files |
| 2026-03-20 | Keep early architecture document lightweight | Accepted | Faster iteration during concept phase |
| 2026-03-20 | Delay final connector choice | Open | Mechanical constraints still pending |
Final Notes (h2)
- Keep documents short enough to scan quickly
- Use headings to separate architecture, requirements, and review notes
- Use tables whenever information is structured
- Use code fences for data, commands, and naming examples
- Use blockquotes for warnings, tips, and unresolved questions
If you want, this doc can also be evolved into a project specification template, bring-up checklist, or design review report.
Markdown Style Guide
Project Summary (h2)
PICO Smart Automation Controller (h1)
Headings (h2)
Heading 1
Heading 2
Heading 3
Text Formatting (h2)
Requirements (h2)
Bullet List (h3)
Numbered List (h3)
Task List (h3)
Notes and Callouts (h2)
Links (h2)
Interface Overview (h2)
Top-Level Signal Table (h3 + table)
Example Parameter Table (h3 + table)
Architecture Notes (h2)
Functional Blocks (h3)
Example Design Intent (h3)
Code Blocks (h2)
JSON Example (h3 + fenced code block)
Python Example (h3 + fenced code block)
Bash Example (h3 + fenced code block)
Net Naming Example (h3 + fenced code block)
Horizontal Rule (h2)
Embedded Media Syntax (h2)
Mixed Formatting Example (h2)
Escaping Characters (h2)
Mermaid Diagram (h2)
Review Section Example (h2)
Risks (h3)
Mitigations (h3)
Decision Log (h2 + table)
Final Notes (h2)
![PICO Smart Automation Controller [Prod_V1_AUTO_NET_CLASS_12-10] thumbnail](https://img-cdn.flux.ai/eyJidWNrZXQiOiJncmF2aXRvbi1lbGVjdHJpYy1zeW1ib2xzIiwia2V5IjoiZG9jdW1lbnRfYXNzZXRzL1BJQ08tU21hcnQtQXV0b21hdGlvbi1Db250cm9sbGVyLWltYWdlLTUwNzcyZWQ5LTZiOTctNGE5Yi04MTI1LTkyMGFhYjk4Mjc1OS5wbmciLCJlZGl0cyI6eyJyZXNpemUiOnsid2lkdGgiOjEzNiwiaGVpZ2h0IjoxMzYsImZpdCI6ImNvbnRhaW4iLCJiYWNrZ3JvdW5kIjp7InIiOjAsImciOjAsImIiOjAsImFscGhhIjowfX19LCJvdXRwdXRGb3JtYXQiOiJ3ZWJwIn0=)