Friday, August 20, 2021

Barometer Weather Clock #piday #raspberrypi @Raspberry_Pi

via StephanR on instructables

In this instructable I’ll show you how to build a basic Thermometer / Barometer clock using a Raspberry Pi 2 with a BMP180 I2C sensor displaying on an Adafruit 4 digit 7 segment I2C display. The Pi also uses a DS3231 real time I2C clock module to keep time when the Pi is restarted.

The clock loops through 4 stages for 5 seconds each. First it shows the temperature in Celsius, then in Fahrenheit then the barometric pressure in kPa *(it walks this number to the left due to limited number of digits) and finally it shows a trend of barometric pressure change between now and the average of the previous hour.

Read more.


3055 06Each Friday is PiDay here at Adafruit! Be sure to check out our posts, tutorials and new Raspberry Pi related products. Adafruit has the largest and best selection of Raspberry Pi accessories and all the code & tutorials to get you up and running in no time!

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