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Balloon Sat Tracker

LeemanGeophysicalLLC·NSSL_EFM·PCBs/Tracker_PCB/KiCAD_Project/tracker.kicad_pcb

Balloon Sat Tracker PCB layout, top view — open source AVR/Arduino board by LeemanGeophysicalLLC

About the Balloon Sat Tracker PCB

Balloon Sat Tracker is an open source AVR/Arduino PCB design by LeemanGeophysicalLLC, published on GitHub. It is a 4-layer board measuring 78.7 × 57.2 mm, with 52 components from 25 distinct parts.

Its main chip is the 1-0000566, from the AVR/Arduino family. Other key parts include the 1-0000785, 1-0000748, 1-0000789, 1-0000446 and 1-0000658. By type, the board carries 18 resistors, 14 capacitors, 6 ICs, 4 diodes, 3 connectors and 2 transistors.

From the project

NSSL EFM Redesign

This repository contains all files and relevant information for the electric field meter (EFM) designed for NSSL. This instrument has been in existance for many years, but beginning in approximatley 2019/2020 Leeman Geophysical was contracted to help design and implement the next generation of the device. This README should be a living document keeping the most current and relevant information on the assembly, operation, and programming of the instrument.

Balloon Sat Tracker, from the project README
From the project README

Main components on the Balloon Sat Tracker

1-00007851-00005661-00007481-00007891-00004461-0000658

Balloon Sat Tracker bill of materials (BOM)

52 components, 25 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
1-0000785
XBee
U1
1
1-0000566
ATmega328P-AU
U2
1
1-0000748
TSR2
U3
1
1-0000789
RockBlockMechanical
U4
1
1-0000446
ublox_SAM-M8Q
U5
1
1-0000658
MIC5219-3.3YM5
U6
2
1-0000340
BSS138
Q1, Q2
1
1-0000569
16MHz
Y1
1
1-0000790
RockBlock9603
J1
1
0-0000000
ICSP
J2
1
0-0000000
Battery
J4
1
1-0000246
CR1220
BT1
1
1-0000002
Polyfuse
F1
1
3-0000068
barepcb
PCB1
1
1-0000786
SW_SPST
SW1
2
1-0000599
Blue
D1, D2
1
1-0000601
Yellow
D3
1
1-0000598
Green
D4
10
1-0000007
C1, C2, C3, C6, C7, C8, C9, C10 +2
3
1-0000075
C4, C12, C13
Show 5 more
QtyPartRefs
1
1-0000018
C5
4
1-0000013
R1, R2, R3, R4
3
1-0000010
R5, R16, R18
4
1-0000008
R6, R8, R9, R17
7
1-0000006
R7, R10, R11, R12, R13, R14, R15

Balloon Sat Tracker design files

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

Balloon Sat Tracker: common questions

What microcontroller does the Balloon Sat Tracker use?

The Balloon Sat Tracker is built around the 1-0000566, from the AVR/Arduino family.

How big is the Balloon Sat Tracker PCB?

The Balloon Sat Tracker measures 78.7 × 57.2 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Balloon Sat Tracker?

52 components, from 25 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 Balloon Sat Tracker design files?

From the LeemanGeophysicalLLC/NSSL_EFM repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Balloon Sat Tracker design in my own project?

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

Can I test firmware for the Balloon Sat Tracker without the hardware?

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

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