DIY Wall Mounted Arduino Barometer -- Episode 475

Making a wall mounted barometer, which not only shows the current pressure and temperature but the last 24 hours of readings. To help you see how the weather is changing and predict what the imminent future weather might be!

Supplemental Content:

Code and circuit diagrams

Bill of Material:

Product Name	Manufacturer	Quantity	Buy Kit
Development Board, Arduino Uno, ATmega328P MCU	ARDUINO	1	Buy Now
Daughter Board, Arduino UNO Click Shield	MIKROELEKTRONIKA	1	Buy Now
1506 LED Strip, NeoPixel Digital RGB, 144 LED's, 1m Black	ADAFRUIT	1	Buy Now
Pin Header, Board-to-Board, 2.54 mm, 1 Rows, 18 Contacts, Through Hole Straight, MC34 Series	MULTICOMP PRO	1	Buy Now
MIKROE-3216 Add-On Board, Pressure 6 Click Board, Pressure Sensor, 300hPa To 1300hPa, MikroBUS	MIKROELEKTRONIKA	1	Buy Now
E005 Stripboard, FR4, Epoxy Fibreglass, 1.5mm, 160mm x 100mm	KEMO ELECTRONIC	1	Buy Now
DS1307+ RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), I2C, Serial, 4.5 V to 5.5 V, DIP-8	MAXIM INTEGRATED PRODUCTS	1	Buy Now
38-HX5F12.5-32.768KHZ Crystal	ILSI AMERICA	1	Buy Now
Pin Header, Board-to-Board, 2.54 mm, 1 Rows, 3 Contacts, Through Hole Right Angle, MC34 Series	MULTICOMP PRO	1	Buy Now
Battery, Coin Cell, Single Cell, 3 V, 2032, Lithium Manganese Dioxide, 230 mAh, PCB Pins, 20 mm	VARTA	1	Buy Now
08-50-0032 Contact, KK 254, KK 254 4809 Series, Socket, Crimp, 22 AWG, Tin Plated Contacts	MOLEX	3	Buy Now
Connector Housing, KK 254 2695, Receptacle, 3 Ways, 2.54 mm	MOLEX	1	Buy Now
Through Hole Resistor, 10 kohm, SFR125 Series, 400 mW, ± 5%, Axial Leaded, 250 V	VISHAY	2	Buy Now
MF25 470R Through Hole Resistor, 470 ohm, MF25 Series, 250 mW, ± 1%, Axial Leaded, 250 V	MULTICOMP PRO	1	Buy Now
SW4047G C ADAPTOR INTL 12V 2A VI	POWERPAX	1	Buy Now

Additional Parts:

Product Name
Vinyl (cut with scale on)
Wood-Oak
Polycarbonate sheet
Cook & Freeze round storage Dish 1.7L

DIY Wall Mounted Arduino Barometer

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Top Comments

beacon_dave over 2 years ago +3

The last 24hours of readings is a very useful feature to have when you share a house with people who insist on resetting the needle every time they pass the barometer ! A variation may be to use an e-paper…
neilk over 2 years ago +2

Very nice build and video. I was most impressed by the library you wrote for the pressure sensor. At the moment, writing a library is way above my pay grade!! Neil
hifromkatie over 2 years ago in reply to beacon_dave +2

I like the e-paper idea, I've got another project in mind to use a big e-ink display as a home monitor, and adding local information such as temperature and weather would be an interesting addition to…

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neilk over 2 years ago

Very nice build and video.

I was most impressed by the library you wrote for the pressure sensor. At the moment, writing a library is way above my pay grade!!

Neil
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hifromkatie over 2 years ago in reply to neilk

Thanks.
I used to think it was a bit daunting, but after having to do some changes to an exsisting library at work I got my head around it fairly easily and realised it's not that different to any other code.
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hifromkatie over 2 years ago in reply to neilk

Thanks.
I used to think it was a bit daunting, but after having to do some changes to an exsisting library at work I got my head around it fairly easily and realised it's not that different to any other code.
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