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LDR: An LDR (Light Dependent Resistor) is a component that has a (variable) resistance that changes with the light intensity that falls upon it
the 4-wire method of thermistor measurement is the most accurate because there is effectively no current flowing in either of the measurement cable wires and therefore no added resistance due to the cable wires
High-speed photoelectric isolation of the input signal
Supports GPS
The surface-mounted microcontroller improves durability and makes the board suitable for long-term embedded applications
BMP180 Pressure Sensor Module e-Ink LDR: An LDR (Light DependentBMP180 Pressure Sensor Module BMP180 Digital Barometric Pressure Sensor Module compatible with Arduino will Measure the absolute pressure of the environment using a digital barometer such as this has some interesting applications. By converting the pressure measured into altitude, you have a reliable pressure sensor for determining the height of your robot, plane or projectile! Using a sensor as capable as the BMP180 you can achieve an accuracy of 1m,
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