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Chart plotter hat

gpgreen·chart_plotter_hat

Chart plotter hat layout, top view — open source Raspberry Pi board by gpgreen

About the Chart plotter hat

Chart plotter hat is an open source Raspberry Pi PCB design by gpgreen, published on GitHub. It is a 4-layer board measuring 65 × 56 mm, with 68 components from 44 distinct parts.

Its main chip is the DMG2305UX, from the Raspberry Pi family. Other key parts include the ATmega328P-AU, CAT24C32, MPM3610-5.0-adafruit, LT1762EMS8-3.3 and G3VM-201FR. By type, the board carries 17 capacitors, 16 resistors, 11 ICs, 9 connectors, 5 diodes and 2 transistors.

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

From the project

Kicad project for a raspberry pi hat. Monitors push button and turns on/off power. 8 channels of ADC available and some connectors for other peripherals. Onboard CAN device and transceiver connected to the raspberry pi

KiCad design for Raspberry Pi Hat. Provides power and switch on/off for the board. A total of 1.2A is provided for use by the RaspberryPi. Also some connectors for GPS, barometric sensor, and ADC measurements. Provides 12V power for a remote video board which is switched at the same time as the Raspberry Pi. Contains a MCP2515 CAN Controller and MCP2551 CAN transceiver for access to CAN bus. The transceiver is isolated from the rest of the board. Has a connector that allows I2C devices to be connected to the Raspberry Pi.

Chart plotter hat, from the project README
From the project README

Main components on the Chart plotter hat

ATmega328P-AUCAT24C32MPM3610-5.0-adafruitLT1762EMS8-3.3G3VM-201FRMCP2515-xSOMCP2551-I-SNLT1762EMS8-5ADuM1281CRZDCP010505BP-UVCAN26A2

Chart plotter hat bill of materials (BOM)

68 components, 44 distinct parts.

QtyPartRefs
1
ATmega328P-AU
U1
1
CAT24C32
U2
1
MPM3610-5.0-adafruit
U3
1
LT1762EMS8-3.3
U4
1
G3VM-201FR
U5
1
MCP2515-xSO
U6
1
MCP2551-I-SN
U7
1
LT1762EMS8-5
U8
1
ADuM1281CRZ
U9
1
DCP010505BP-U
U10
1
VCAN26A2
U11
1
DMG2305UX
Q1
1
DMMT5401
Q2
1
16MHz
Y1
1
JST PH
J2
1
40HAT
J3
3
JST PH
J4, J5, J7
1
JST PH
J6
1
Conn_02x03_Odd_Even
J8
1
JST PH
J10
Show 24 more
QtyPartRefs
1
Qwiic
J11
4
3mm_Mounting_Hole
H1, H2, H3, H4
1
SolderJumper_2_Open
JP1
1
EEPROM Write
TP1
1
PMEG3020EH
D1
3
RED
D2, D3, D4
1
GRN
D5
1
10uH
L1
8
.1uF
C1, C5, C6, C7, C8, C9, C12, C15
2
1uF
C2, C13
2
.01uF
C3, C11
2
10uF
C4, C10
1
2.2uF
C14
2
18pF
C16, C17
4
10K
R1, R10, R22, R23
2
1.6K
R2, R12
2
390
R3, R5
1
220
R4
2
3.9K
R6, R8
1
39K
R7
1
12K
R9
1
300
R11
1
100K
R13
1
47K
R24

Chart plotter hat design files

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

Chart plotter hat: common questions

What microcontroller does the Chart plotter hat use?

The Chart plotter hat is built around the DMG2305UX, from the Raspberry Pi family.

How big is the Chart plotter hat?

The Chart plotter hat measures 65 × 56 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Chart plotter hat?

68 components, from 44 distinct parts. The full bill of materials is listed on this page.

Where can I download the Chart plotter hat design files?

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

Can I use the Chart plotter hat design in my own project?

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

Can I test firmware for the Chart plotter hat without the hardware?

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

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