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19 Jan 2019

How to interface BMP180 sensor with arduino ?

The sensor BMP180 is used to measure temperature and pressure. The interfacing of LCD with Arduino is simple you need to simple connect as shown in the diagram below. As this is a SPI capable sensor, we can use hardware and software SPI. To make wiring identical on all Arduinos we will begin with 'software' SPI. The following pin should be used,

Connect Vin to the power supply, 3V or5V is fine. Use the same voltage that the microcontroller logic is based off of.

Connect GND to common power/data ground.

Connect the SCK pin to Digital #13 but any pin can be used later.