Fixing Missing Routed Traces

Worked for 4 mins 20 sec

Created a project doc

Assembly Notes and Export Review — 12V PWM Open Collector

Live design checks after review: no ERROR/WARNING items reported for airwires, overlapping copper, missing footprints, invalid layers, dangl...

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Completed:

Reviewed the exported BOM against the live schematic for D2/D4/D5.
Found a real BOM export problem: exported CSVs incorrectly show D2/D4/D5 as SS54B diode lines.
Created Assembly Notes and Export Review with:
- Required BOM corrections for D2/D4/D5.
- CPL placement notes for those parts.
- JP1–JP7 solder-jumper assembly rules.
- Gerber/layout visual review notes.

Open items:

Confirm West Ridge CW V1.0 is visible in the actual Gerber viewer; I positively confirmed FAN Module PWM, but not the West Ridge text from the text-node inspection.
Manually edit the assembly BOM before ordering:
- D2 = SS56B 60 V / 5 A SMB Schottky.
- D4 = Würth 150080VS75000 green LED.
- D5 = Würth 150080AS75000 amber LED.
Upload the Gerbers to the fab viewer and confirm drill holes, DT13 fit, polarity marks, and silkscreen.

Add BOM override

Create fab checklist

Recheck and export

Find assembly notes

Q3 C - R7 P2

Q1 D - U1 VIN

J1 1 - F1 P1

R1 P1 - JP5 B

U2 OUT - R3 P1

GND

JP7

Reviews

Generic Inductor
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Generic Resistor
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1.2M
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1.1M
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700.5k

Project Name

12V PWM Open Collector

Description

Universal PWM Interface Module: 12 V automotive-input board for configurable ECU PWM input conditioning and open-collector fan-module output, with TVS/reverse-polarity/PTC protection, 5 V buck, 3.3 V LDO, selectable pull-up rails, inversion jumper, status LEDs, test pads, mounting holes, and DT13-08PA connector placeholder.

Properties

Properties describe core aspects of the project.

Pricing & Availability

Distributor	Qty 1
Arrow	$4.49–$6.20
Digi-Key	$4.33–$4.94
HQonline	$1.15–$1.20
LCSC	$4.22–$4.44
Mouser	$11.63–$11.94
TME	$3.34
Verical	$10.80–$29.58

Controls

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westridgecw / 12V PWM Open Collector

Schematic