Lesson 7 Barometer BMP180ΒΆ
Introduction
The BMP180 barometer is the new digital barometric pressure sensor, with a very high performance, which enables applications in advanced mobile devices, such as smart phones, tablets and sports devices. It complies with the BMP085 but boasts many improvements, like a smaller size and more digital interfaces.
Components
1 * SunFounder Uno Board
1 * USB Cable
1 * BMP180 Module
Several Jump Wires
1* Breadboard
Principle
The schematic diagram of the module:
Experimental Procedures
Step 1: Build the circuit
BMP180 |
SunFounder Uno/Mega2560 |
VCC |
5V |
GND |
GND |
SCL |
A5/Pin 21 Mega2560 |
SDA |
A4/Pin 20 Mega2560 |
Step 2: Open the code file
Step 3: Select correct Board and Port
Step 4: Upload the sketch to the SunFounder Uno board
Code
Open the serial monitor, and you will see the figures of the temperature and the air pressure.