Load cell
chaxaf·Supersonic-Test-Rocket·hardware/load_cell_pcb/load cell.kicad_pcb
About the Load cell PCB
Load cell is an open source PCB design by chaxaf, published on GitHub. It is a 2-layer board measuring 18.7 × 18.7 mm, with 5 components from 4 distinct parts.
Other key parts include the AD8556ARZ. By type, the board carries 2 connectors, 2 resistors and 1 IC.
It belongs with the rf & radio, sensors and power & battery designs in this gallery.
From the project
Hardware for EPFL Rocket Team Hermes Supersonic Test Rocket
Semester project completed with the EPFL Rocket Team in 2022.
Hermes II is a compact avionics architecture developed for a small experimental rocket intended for validation flights and data generation. The project focused on redesigning the electronics of the original Hermes platform into a smaller, more modular system with telemetry, GPS, multiple sensor boards, and improved integration inside the rocket.

Main components on the Load cell
Load cell bill of materials (BOM)
5 components, 4 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AD8556ARZ | SOIC127P600X175-8N | IC1 |
| 1 | 1734598-4 load in | 17345984 | J1 |
| 1 | 1734598-4 main pcb | load to main | J2 |
| 2 | R | R_0603_1608Metric | R1, R2 |
Load cell design files
The KiCad project lives in the chaxaf/Supersonic-Test-Rocket repository on GitHub; these links point at the commit this page was built from.
Load cell: common questions
How big is the Load cell PCB?
The Load cell measures 18.7 × 18.7 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Load cell?
5 components, from 4 distinct parts. The full bill of materials is listed on this page.
Where can I download the Load cell design files?
From the chaxaf/Supersonic-Test-Rocket repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Load cell design in my own project?
The repository has no license, so all rights stay with chaxaf. Use it as a reference, and ask the author before reusing the design.
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