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Nmea pi hat

ronangaillard·nmea-pi-hat

Nmea pi hat layout, top view — open source STM32 board by ronangaillard
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About the Nmea pi hat

Nmea pi hat is an open source STM32 PCB design by ronangaillard, published on GitHub under the MIT license. It is a 2-layer board measuring 65 × 56 mm, with 51 components from 17 distinct parts.

Its main chip is the STM32F030CCTx, from the STM32 family. Other key parts include the LM1085-5.0 and MAX485E. By type, the board carries 15 capacitors, 13 resistors, 8 connectors, 7 ICs, 6 diodes and 1 switch.

It belongs with the dev boards & breakouts designs in this gallery.

From the project

A raspberry pi hat to handle NMEA 0183 devices

Raspberry Pi B+ Hat ============================

Expansion Board ----------------------------

This is a project template for a Raspberry Pi B+ Hat.

This base project includes a PCB edge defined according to this specification. Both a thru-hole and a surface mount connector are provided, along with a different PCB edge for each. Just keep the PCB edge and connector type that you're using for your design and delete the others.

Nmea pi hat, from the project README
From the project README

Main components on the Nmea pi hat

LM1085-5.0STM32F030CCTxMAX485E

Nmea pi hat bill of materials (BOM)

51 components, 17 distinct parts.

QtyPartRefs
1
LM1085-5.0
U1
1
STM32F030CCTx
U2
5
MAX485E
U3, U4, U5, U6, U7
1
Conn_01x02_Male
J1
1
RPi_GPIO
J2
1
Conn_02x03_Counter_Clockwise
J3
5
Conn_01x03_Male
J5, J6, J7, J8, J9
1
Crystal
8MHz1
1
SW_Push
SW1
6
LED
D1, D2, D3, D4, D5, D6
1
10uF
C1
1
100uF
C2
11
0.1uF
C3, C4, C5, C6, C7, C8, C9, C10 +3
2
20pF
C11, C12
6
180R
R1, R2, R3, R5, R6, R7
2
10k
R4, R8
5
120R
R9, R10, R11, R12, R13

Nmea pi hat design files

The KiCad project lives in the ronangaillard/nmea-pi-hat repository on GitHub; these links point at the commit this page was built from.

Nmea pi hat: common questions

What microcontroller does the Nmea pi hat use?

The Nmea pi hat is built around the STM32F030CCTx, from the STM32 family.

How big is the Nmea pi hat?

The Nmea pi hat measures 65 × 56 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Nmea pi hat?

51 components, from 17 distinct parts. The full bill of materials is listed on this page.

Where can I download the Nmea pi hat design files?

From the ronangaillard/nmea-pi-hat repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Nmea pi hat design in my own project?

Yes, under the terms of its MIT license, which ronangaillard chose for the repository.

Can I test firmware for the Nmea pi hat without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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