4 layers57 × 33 mm
Sensor pcb
nichlock/open-linear-scale
Open-source capacitive linear encoder / DIY DRO scale: KiCad PCBs, STM32 firmware, and test data. Same principle as digital calipers.
69 parts73
Metrology
7 boardsKiCad boards from 4 GitHub repositories tagged “metrology”, the most starred first; open any of them in PCBKit.
- 4 layers68.8 × 68.6 mm
GMWM Analysis Board
thejamesrhodes/IMU-Quantisation-research-project
Research into quantisation effects in MEMS gyroscopes using custom STM32 hardware.
163 parts1MIT - 2 layers76 × 70 mm
Heads panel
arcticoder/spurious-force-balance
Open, low-cost torsion balance for measuring the spurious forces (supply-lead Lorentz forces, heating, convection) that dominate small-force and thrust experiments: printable CadQuery mechanics, a validated force-noise…
58 partsMIT - 2 layers60 × 69.1 mm
Nanovolt divider
kuvychko/nanovolt-divider
Programmable 1e-5/1e-6/1e-7 precision attenuator for nanovolt metrology: KiCad, ESP32 firmware, calibration method and results
68 parts - 4 layers78.3 × 42.7 mm
IMU Array ICM-42688-P
thejamesrhodes/IMU-Quantisation-research-project
Research into quantisation effects in MEMS gyroscopes using custom STM32 hardware.
87 parts1MIT - 2 layers24 × 34 mm
Elec board
arcticoder/spurious-force-balance
Open, low-cost torsion balance for measuring the spurious forces (supply-lead Lorentz forces, heating, convection) that dominate small-force and thrust experiments: printable CadQuery mechanics, a validated force-noise…
2 partsMIT - 2 layers36 × 96.5 mm
Small panel
arcticoder/spurious-force-balance
Open, low-cost torsion balance for measuring the spurious forces (supply-lead Lorentz forces, heating, convection) that dominate small-force and thrust experiments: printable CadQuery mechanics, a validated force-noise…
41 partsMIT