HardLabs

Face

Aidan-McNay·chimes-leds·pcb/face/face.kicad_pcb

Face PCB layout, top view — open source RP2040/RP2350 board by Aidan-McNay

About the Face PCB

Face is an open source RP2040/RP2350 PCB design by Aidan-McNay, published on GitHub. It is a 2-layer board measuring 101.5 × 52 mm, with 27 components from 19 distinct parts.

Its main chip is the PicoW, from the RP2040/RP2350 family. Other key parts include the SN65HVD230DR, FDN340P, DMG2305UX-7 and NCP1117-5.0_SOT223. By type, the board carries 6 resistors, 5 ICs, 5 capacitors, 4 transistors, 4 connectors and 2 diodes.

From the project

A system for controlling McGraw Tower's clock face LEDs

The PCB files for the control board at the playing stand level

LED PWM GPIOs (high for on): - 28: Red LED - 26: Green LED - 20: Blue LED - 18: White LED

Status LEDs: - 21: "On" LED (high when enabled) - 19: Communication LED (On when connected to control panel)

CAN connections: - 16: CAN TX - 17: CAN RX - 22: CAN Enable (active low)

Main components on the Face

SN65HVD230DRPicoWFDN340PDMG2305UX-7NCP1117-5.0_SOT223

Face bill of materials (BOM)

27 components, 19 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
SN65HVD230DR
U1
1
PicoW
U2
1
FDN340P
U3
1
DMG2305UX-7
U5
1
NCP1117-5.0_SOT223
U6
4
IRLB8721PBF
Q1, Q2, Q5, Q6
1
Screw_Terminal_01x02
J1
2
Screw_Terminal_01x05
J2, J3
1
282856-2
J4
1
PESD1CAN_215
CR1
2
LED
D1, D2
1
4.7uF
C1
1
10uF
C2
1
100nF
C3
2
10μF
C4, C5
2
60Ω
R1, R2
1
100KΩ
R3
1
10KΩ
R4
2
240Ω
R5, R6

Face design files

The KiCad project lives in the Aidan-McNay/chimes-leds repository on GitHub; these links point at the commit this page was built from.

Face: common questions

What microcontroller does the Face use?

The Face is built around the PicoW, from the RP2040/RP2350 family.

How big is the Face PCB?

The Face measures 101.5 × 52 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Face?

27 components, from 19 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Face design files?

From the Aidan-McNay/chimes-leds repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Face design in my own project?

The repository has no license, so all rights stay with Aidan-McNay. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Face without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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