The accelerometer(LSM6DSL) on the BerryIMUv3 has built in double tap detection, which makes it very easy to detect double taps without the need for any fancy code.
When the LSM6DSL detects a double tap, it can fire an interrupt pin on the BerryIMUv3. We will use a Raspberry Pi to monitor the interrupt pin and turn a LED off and on when a double-tap is detected.
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