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北東北 LabVIEWユーザー会
Raspberry Pi Digital Spoon Scale
Control the Raspberry Pi with LINX and hack the spoon scale using the HX - 711 load cell amplifier to obtain digital output
Summary
The spoon scale was disassembled and the signal of the load cell was taken out. The signal was measured with a Raspberry Pi programmed with LINX using a HX - 711 load cell amp. It runs LabVIEW web service and displays measurements with Raspberry Pi's web browser.
Requirements
Raspberry Pi 2B/3B (Raspbian 2017_04_10)
LabVIEW2014 Home Edition
Spoon Scale
HX-711
Push Switch
Wiring
LabVIEW Web Service
Load cell
HX-711 Control
Raspberry Pi Control Signal (blue:DOUT / orange:SCK)
time-grid:10μsec
time-grid:500μsec
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