HardLabs

Bottom asm

Engineer162·CANSAT-M2-2026·EDA/sub/bottom_asm/bottom_asm.kicad_pcb

Bottom asm PCB layout, top view — open source board by Engineer162

About the Bottom asm PCB

Bottom asm is an open source PCB design by Engineer162, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 22 × 13 mm, with 8 components from 6 distinct parts.

Other key parts include the TMP121AIDBVR and VL53L1CXV0FY_1. By type, the board carries 3 capacitors, 2 ICs, 2 resistors and 1 connector.

It belongs with the power & battery and sensors designs in this gallery.

From the project

This repository contains all the sources for a highly advanced CANSAT based on an STM32 MCU and featuring a rechargeable lithium polymer battery.

This repository contains all the sources for a highly advanced CANSAT based on an STM32 MCU and featuring a rechargeable lithium polymer battery.

Additionally, it features numerous different sensors for logging, as listed below:

And debugging/programming is done via a TAG-CONNECT TC2050-IDC "Plug-Of-Nails™" connector.

Main components on the Bottom asm

TMP121AIDBVRVL53L1CXV0FY_1

Bottom asm bill of materials (BOM)

8 components, 6 distinct parts.

QtyPartRefs
1
TMP121AIDBVR
U1
1
VL53L1CXV0FY_1
U2
1
1-2328702-0
J1
2
100nF
C1, C3
1
4.7uF
C2
2
4.7kΩ
R1, R2

Bottom asm design files

The KiCad project lives in the Engineer162/CANSAT-M2-2026 repository on GitHub; these links point at the commit this page was built from.

Bottom asm: common questions

How big is the Bottom asm PCB?

The Bottom asm measures 22 × 13 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Bottom asm?

8 components, from 6 distinct parts. The full bill of materials is listed on this page.

Where can I download the Bottom asm design files?

From the Engineer162/CANSAT-M2-2026 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Bottom asm design in my own project?

Yes, under the terms of its CERN-OHL-S-2.0 license, which Engineer162 chose for the repository.

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