SVT

I successfully assembled this one as well, it almost worked as intended but had a major issue. The Xiao nRF52840 and the ADXL372 (U2) were meant to communicate over I2C, however I didn't realize neither device had internal pullups on the SDA/SCL, so the I2C bus didn't work at all. I remedied this by soldering two resistors over the board, but it's not a great solution because the board is too tall with the resistors present. Future versions will need two more resistors to solve this. After adding the two resistors though, everything worked as intended.


Feb 21,2023
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PCB
HDI PCB
Assembly
FPC/
Rigid-Flex
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2 Layers
1.6mm
CNC
Machining
Sheet Metal
3D Printing
Injection
Molding
Aluminum
Aluminum
Resin
ABS
Niko Kazakos View Profile
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