– February 3, 2017
how can i see the schematic diagram of this product ??
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The HMC5883L 3-Axis Compass Magnetometer Module measures magnetic fields in three directions or axes, labeled X, Y, and Z.
The PIR Sensor detects motion by measuring changes in the infrared (heat) levels emitted by surrounding objects.
The Vibration module based on the vibration sensor SW-420 and Comparator LM393 to detect if there is any vibration that beyond the threshold. The threshold can be adjusted by the on-board potentiometer.