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NSSL EFM Rotating

LeemanGeophysicalLLC·NSSL_EFM_Rotating_PCB·KiCAD_Project/Digital_PCB.kicad_pcb

NSSL EFM Rotating PCB layout, top view — open source board by LeemanGeophysicalLLC

About the NSSL EFM Rotating PCB

NSSL EFM Rotating is an open source PCB design by LeemanGeophysicalLLC, published on GitHub under the MIT license. It is a 4-layer board measuring 75 × 84.8 mm, with 103 components from 46 distinct parts.

Other key parts include the 1-0000207, 1-0000465, 1-0000576, 1-0001530 and 1-0001542. By type, the board carries 39 resistors, 28 capacitors, 12 connectors, 11 ICs, 4 diodes and 2 inductors.

It belongs with the sensors and test & measurement designs in this gallery.

From the project

Rotating PCB for the NSSL EFM

The rotating electronics collect the majority of the scientific data during flight. This includes the relative orientation of the sensor spheres, electrical charge flow between the spheres, GPS position, temperature, pressure, and humidity. All data are logged to an onboard microSD card for post-flight analysis. These measurements are essential for understanding the electric field structure and environmental conditions surrounding the instrument throughout its ascent and descent.

Main components on the NSSL EFM Rotating

1-00002071-00004651-00005761-00015301-00015421-00014711-00002641-00015351-00007851-0000464

NSSL EFM Rotating bill of materials (BOM)

103 components, 46 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
1-0000207
U1
1
1-0000465
U2
1
1-0000576
U3
1
1-0001530
U4
1
1-0001542
U5
1
1-0001471
U6
2
1-0000264
U7, U8
1
1-0001535
U9
1
1-0000785
U10
1
1-0000464
U11
1
1-0001670
Q1
1
1-0000721
Y1
3
0-0000000
NP_Conn_01x02_Relief
J1, J10, J11
1
1-0000455
Board to Board
J2
2
1-0001156
J3, J5
1
1-0001205
J4
1
0-0000000
NP_Conn_01x06
J6
2
0-0000000
NP_Conn_01x04
J7, J9
1
0-0000000
NP_Conn_01x02_Relief
J8
1
1-0000050
J12
Show 26 more
QtyPartRefs
1
1-0000461
AE1
1
1-0000246
BT1
1
1-0000269
F1
1
3-0000279
barepcb
PCB1
1
1-0000727
PS1
1
1-0001672
D1
1
1-0001537
D2
1
1-0000599
D3
1
1-0000601
D4
1
1-0000931
L1
1
1-0000459
L2
16
1-0000007
C1, C2, C3, C4, C11, C13, C14, C15 +8
4
1-0000018
C5, C9, C10, C24
2
1-0000136
C6, C7
3
1-0000075
C8, C19, C23
1
1-0000926
C12
1
1-0000458
C27
1
1-0000014
C28
12
1-0000006
R1, R2, R3, R4, R5, R13, R14, R17 +4
11
1-0000010
R6, R7, R8, R11, R12, R15, R16, R19 +3
4
1-0000174
R9, R10, R21, R33
1
1-0000068
R23
4
1-0001551
R25, R26, R28, R30
4
1-0001553
R27, R29, R31, R32
2
1-0000008
R35, R37
1
1-0000678
R39

NSSL EFM Rotating design files

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

NSSL EFM Rotating: common questions

How big is the NSSL EFM Rotating PCB?

The NSSL EFM Rotating measures 75 × 84.8 mm, has 4 copper layers and is 2.446 mm thick.

How many components are on the NSSL EFM Rotating?

103 components, from 46 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 NSSL EFM Rotating design files?

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

Can I use the NSSL EFM Rotating design in my own project?

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

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