HardLabs

Capteur

mbouyer·canbus_autopilot·hardware/capteur.kicad_pcb

Capteur PCB layout, top view — open source PIC board by mbouyer

About the Capteur PCB

Capteur is an open source PIC PCB design by mbouyer, published on GitHub under the BSD-2-Clause license. It is a 2-layer board measuring 69.9 × 60 mm, with 26 components from 19 distinct parts.

Its main chip is the PIC18F2XK80, from the PIC family. Other key parts include the STEVAL-MKI108V2, MCP2562, UA78M33, UA78M05 and LM358. By type, the board carries 6 ICs, 6 capacitors, 6 resistors, 5 connectors and 2 diodes.

From the project

canbus-connected marine autopilot

These parts are built around a pic18f26j50, for its low power and native can support. The CAN protocol is based on J1939 and reuses NMEA2000 PGNs when possible.

There is also wxpilot, a wxwidget/socketcan utility which allows to show and change some of the autopilot's parameters from a unix computer (see my marine_charplotter repository)

The display unit can also decode and display navigation PGNs sent by my nmea2000_pi OpenCPN plugin.

Main components on the Capteur

PIC18F2XK80STEVAL-MKI108V2MCP2562UA78M33UA78M05LM358

Capteur bill of materials (BOM)

26 components, 19 distinct parts.

QtyPartRefs
1
PIC18F2XK80
U1
1
STEVAL-MKI108V2
U2
1
MCP2562
U3
1
UA78M33
U4
1
UA78M05
U5
1
LM358
U6
1
CONN_5
P1
1
CONN_2
P2
1
CONN_6
P3
2
CONN_4
P4, P5
1
Val**
PIN_ARRAY_1
1
DIODESCH
D1
1
DIODE
D2
1
10uF
C1
2
100nF
C2, C3
3
47uF
C4, C5, C6
3
10K
R1, R2, R6
1
10K
R3
2
330
R4, R5

Capteur design files

The KiCad project lives in the mbouyer/canbus_autopilot repository on GitHub; these links point at the commit this page was built from.

Capteur: common questions

What microcontroller does the Capteur use?

The Capteur is built around the PIC18F2XK80, from the PIC family.

How big is the Capteur PCB?

The Capteur measures 69.9 × 60 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Capteur?

26 components, from 19 distinct parts. The full bill of materials is listed on this page.

Where can I download the Capteur design files?

From the mbouyer/canbus_autopilot repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Capteur design in my own project?

Yes, under the terms of its BSD-2-Clause license, which mbouyer chose for the repository.

Can I test firmware for the Capteur without the hardware?

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

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