1. Use the ADXL345 chip to collect three-axis acceleration signals and calculate the inclination angle of the monitored object. The STM32L031 microcontroller is used as the main control, and the wireless LoRa module wirelessly transmits data to the collector. 2. The attachment AN1057 explains the principle of using an acceleration sensor to measure inclination. It is an official ADI document and can be referred to.
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