Fridge Data Recorder

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Records temperature data and informs admin if there is an anomaly.

 

Fridge Data Recorder

Things used in this project

 

Hardware components

HARDWARE LIST
1 DFRobot Gravity: Analog LM35 Temperature Sensor For Arduino
1 Bolt IoT Bolt WiFi Module
1 Jumper wires (generic)

Software apps and online services

 

Microsoft Visual Studio 2015

 

Bolt IoT Bolt Cloud

Story

 

Usually We put lots of important stuffs in Fridge and we do care about its Hygene.

Some Food and breveages are quite sensitive towards temperature change and corrode easily.

In this project we came up with an idea to alert admin whenever there is any drastic change and fall in temperature of fridge.

 

Algorithm:-

Zscore Analysis: -A z-score is the number of standard deviations from the mean a data point is. But more technically it’s a measure of how many standard deviations below or above the population mean a raw score is. A z-score is also known as a standard score and it can be placed on a normal distribution curve. Z-scores range from -3 standard deviations (which would fall to the far left of the normal distribution curve) up to +3 standard deviations (which would fall to the far right of the normal distribution curve). In order to use a z-score, you need to know the mean μ and also the population standard deviation

Custom parts and enclosures

 

whatsapp_image_2019-05-21_at_11_53_21_u74IlIsyyK.jpeg

 

whatsapp_image_2019-05-21_at_11_53_00(1)_z61ptoLUf7.jpeg

 

whatsapp_image_2019-05-21_at_11_53_00_mf3QMrzbmu.jpeg

 

 

Code

 

icon FDR-master.zip 2.9MB Download(2)

The article was first published in hackster, May 21,  2019

cr: https://www.hackster.io/kraishwary16/fridge-data-recorder-e386d7

author: kraishwary16

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