Singular SIV
Big-Red-Sat·Big-Red-Sat-1·Prototyping/singular_SIV/singular_SIV.kicad_pcb
About the Singular SIV PCB
Singular SIV is an open source NXP PCB design by Big-Red-Sat, published on GitHub under the CC-BY-SA-4.0 license. It is a 2-layer board measuring 22.4 × 89.4 mm, with 7 components from 7 distinct parts.
Its main chip is the OPA2387, from the NXP family. By type, the board carries 2 connectors, 1 IC, 1 capacitor and 1 resistor.
It belongs with the science & space, power & battery and sensors designs in this gallery.
From the project
This repository contains the designs for the Big Red Sat-1, a 1U CubeSat examining the performance of perovskite solar cells in low earth orbit.
This repository contains the original designs for the Big Red Sat-1 1U CubeSat, conceived, designed, and launched by a multi-disciplinary team of middle schoolers and high schoolers from the Nebraska public school system, as well as undergraduate students and graduate students from the University of Nebraska-Lincoln.
The goal of this scientific mission is to characterize the performance and degradation of experimental perovskite solar cells from the National Renewable Energy Laboratory while in low earth orbit. To accomplish this, a custom precision curve tracer was designed along with a…

Main components on the Singular SIV
Singular SIV bill of materials (BOM)
7 components, 7 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | OPA2387 Teensy4.1 https://www.digikey.com/en/products/detail/texas-instruments/OPA2387DGKR/13627209 | Teensy41 | U1 |
| 1 | Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | J1 |
| 1 | Conn_01x05 | JST_XH_B5B-XH-A_1x05_P2.50mm_Vertical | J2 |
| 1 | AD8400 | AD8400 DP | DP1 |
| 1 | INA4180 | SOP65P640X120-14N | O1 |
| 1 | 10U C https://www.digikey.com/en/products/detail/kyocera-avx/KAM15CT70J106KT/17634162 | C_1206_3216Metric | C1 |
| 1 | 4K7 R https://www.digikey.com/en/products/detail/vishay-dale/TNPW06034K70BEEA/1606843 | R_1206_3216Metric | R1 |
Singular SIV design files
The KiCad project lives in the Big-Red-Sat/Big-Red-Sat-1 repository on GitHub; these links point at the commit this page was built from.
Singular SIV: common questions
What microcontroller does the Singular SIV use?
The Singular SIV is built around the OPA2387, from the NXP family.
How big is the Singular SIV PCB?
The Singular SIV measures 22.4 × 89.4 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Singular SIV?
7 components, from 7 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 Singular SIV design files?
From the Big-Red-Sat/Big-Red-Sat-1 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 Singular SIV design in my own project?
Yes, under the terms of its CC-BY-SA-4.0 license, which Big-Red-Sat chose for the repository.
Can I test firmware for the Singular SIV without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug NXP firmware against it before you order a PCB.
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