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DPL

spel-uchile·balloon_experiment·DPL/hw/DPL-A/DPL.kicad_pcb

DPL PCB layout, top view — open source Microchip SAM board by spel-uchile
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About the DPL PCB

DPL is an open source Microchip SAM PCB design by spel-uchile, published on GitHub. It is a 2-layer board measuring 82.5 × 29 mm, with 39 components from 26 distinct parts.

Its main chip is the SAMD21E, from the Microchip SAM family. Other key parts include the AP7215-33YG-13, AV4524 and DPL. By type, the board carries 10 resistors, 7 capacitors, 5 ICs, 5 connectors, 3 diodes and 2 transistors.

It belongs with the science & space and sensors designs in this gallery.

From the project

Radiosonde platform to develop, test and integrate payloads for the future CubeSats missions

This repository contains the software and the PCB designs of a radiosonde. This radiosonde is used as a platform to test and integrate payloads for the future CubeSat missions. Version 4.0 complies with the PC104 board standard for CubeSats. The balloon's software architecture uses a command pattern with a ZMQ data format.

The OBC of the radiosonde consists on a PC104 PCB board compatible with the design specification of the SUCHAI CubeSat. The shape of the board considers spaces to improve the cable management inside the radiosonde. The board has some socket pins to connect either a…

DPL, from the project README
From the project README

Main components on the DPL

SAMD21EAP7215-33YG-13AV4524DPL

DPL bill of materials (BOM)

39 components, 26 distinct parts.

QtyPartRefs
1
SAMD21E
U1
1
AP7215-33YG-13
U2
2
AV4524
U3, U4
1
DPL
U5
2
PMV16XNR
Q1, Q2
1
32.768kHz
Y1
1
USB_B_Micro
J1
1
I2C
J2
1
Programmer
J3
1
D-BUS1
J4
1
D-BUS2
J5
2
9pF
Cc1, Cc2
2
1uF
Cr1, Cr2
1
Reset_push
SW1
1
PRTR5V0U2X
D1
2
LED
D2, D3
1
Ferrite_Bead
L1
2
10uF
C2a1, C3a1
3
100nF
C2b1, C3b1, C6
1
1uF
C4
Show 6 more
QtyPartRefs
1
4.7nF
C5
4
1k
R1, R7, R8, R9
1
10k
R2
1
1M
R3
3
330
R4, R5, R6
1
0
R10

DPL design files

The KiCad project lives in the spel-uchile/balloon_experiment repository on GitHub; these links point at the commit this page was built from.

DPL: common questions

What microcontroller does the DPL use?

The DPL is built around the SAMD21E, from the Microchip SAM family.

How big is the DPL PCB?

The DPL measures 82.5 × 29 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the DPL?

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

Where can I download the DPL design files?

From the spel-uchile/balloon_experiment repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the DPL design in my own project?

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

Can I test firmware for the DPL without the hardware?

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

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