Search the Community

Hi, I'm using MPU6050 breakout board with I2CDevLib (mpu6050 teapot example). What I would like to achieve is that interrupt is triggered when there is actually some motion on sensor (if I move it with hand for example). Based on MPU6050 documentation I set INT_ENABLE (with setIntEnabled function) to B00000010. This should mean that interrupt should be triggered based on the selected motion threshold only. Well, the problem is that no matter how I set threshold I still get continues interrupts at ~100Hz rate (100 int/sec) (measured by oscilloscope on MPU int line) As mpuIntStatus I get 00000011 or 00000010. Which means that interrupt was triggered by "motion detection" (MOT_INT). This are my current threshold settings: Actually they are as they were in teapot example. DEBUG_PRINTLN(F("Setting motion detection threshold to 2...")); setMotionDetectionThreshold(2); DEBUG_PRINTLN(F("Setting zero-motion detection threshold to 156...")); setZeroMotionDetectionThreshold(156); DEBUG_PRINTLN(F("Setting motion detection duration to 80...")); setMotionDetectionDuration(80); DEBUG_PRINTLN(F("Setting zero-motion detection duration to 0...")); setZeroMotionDetectionDuration(0); I'm wondering: - what could I overlooked? Are there some additional register settings I need to make? - What is triggering motion interrupt? - Do I maybe have faulty MPU - received values are looking fine/are quite stable though (if +/- 1 deg in considered stable) I would be glad if someone could give me some suggestion where to look further. I already spent few days figuring this out. Thx, Gregor