– February 3, 2017
how can i see the schematic diagram of this product ??
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The HC-SR04 ultrasonic sensor uses sonar to determine distance to an object like bats or dolphins do.
The HMC5883L 3-Axis Compass Magnetometer Module measures magnetic fields in three directions or axes, labeled X, Y, and Z.
The DHT11 is a relatively cheap sensor for measuring temperature and humidity.