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‎README.md‎

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SparkFun MS5637 Barometric Pressure Library
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SparkFun VCNL4040 Proximity Sensor Library
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===========================================================
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![SparkFun Pressure Sensor (Qwiic) - MS5637](https://cdn.sparkfun.com//assets/parts/1/2/8/9/3/14688-Pressure_Sensor__Qwiic__-_MS5637-01.jpg)
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![SparkFun Proximity Sensor (Qwiic) - VCNL4040](https://cdn.sparkfun.com//assets/parts/1/2/8/9/5/14690-Qwiic_Distance_20cm__Qwiic__-_VCNL4040-01.jpg)
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[*SparkX Pressure Sensor (Qwiic) - MS5637 (SPX-14688)*](https://www.sparkfun.com/products/14688)
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MEMs based barometric pressure sensors are quite common these days. The Qwiic Pressure Sensor with the MS5637 shines by being the most sensitive barometric pressure sensor we have come across. It is capable of detecting the difference in 13cm of air! And the MS5637 is low cost and easy to use.
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The Qwiic Pressure Sensor for the MS5637 is a very sensitive, fully calibrated, low power, easy to use barometric pressure sensor capable of detecting a change of as little as 13cm of air! The Qwiic Pressure Sensor is perfect for home weather stations, detecting changes in altitude, and pneumatic based switches or actuators.
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The original manufacturer TE has written a great Arduino library for the device. We've added a heap of examples and new functions to make the sensor even easier to use. Search the Arduino Library manager for 'SparkFun MS5637' to get the latest library features.
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[*SparkX Proximity Sensor (Qwiic) - VCNL4040 (SPX-14690)*](https://www.sparkfun.com/products/14690)
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The VCNL4040 is a simple IR presence and ambient light sensor. This sensor is excellent for detecting if something has appeared in front of the sensor. We often see this type of sensor on automatic towel dispensers, automatic faucets, etc. You can detect objects qualitatively up to 20cm away. This means you can detect if something is there, and if it is closer or further away since the last reading, but it's difficult to say it is 7.2cm away. If you need quantitative distance readings (for example sensing that an object is 177mm away) check out the SparkFun Time of Flight (ToF) sensors with mm accuracy.
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Repository Contents
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‎library.properties‎

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name=SparkFun MS5637 Barometric Pressure Library
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name=SparkFun VCNL4040 Proximity Sensor Library
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version=1.0.0
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author=TE Connectivity and SparkFun Electronics
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author=SparkFun Electronics
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maintainer=SparkFun Electronics
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sentence=Library for the SparkFun Qwiic Pressure Sensor - MS5637
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paragraph=The SparkFun breakout board for the MS5637 is a very sensitive, fully calibrated, low power, easy to use barometric pressure sensor capable of detecting a change of as little as 13cm of air! Great for weather sensing and local altimetry projects.
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sentence=Library for the SparkFun Qwiic Proximity Sensor 20cm - VCNL4040
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paragraph=The VCNL4040 is a simple IR presence and ambient light sensor. This sensor is excellent for detecting if something has appeared in front of the sensor. We often see this type of sensor on automatic towel dispensers, automatic faucets, etc. You can detect objects qualitatively up to 20cm away. This means you can detect if something is there, and if it is closer or further away since the last reading, but it's difficult to say it is 7.2cm away. If you need quantitative distance readings (for example sensing that an object is 177mm away) check out the SparkFun Time of Flight (ToF) sensors with mm accuracy.
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category=Sensors
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url=https://github.com/sparkfun/SparkFun_MS5637_Arduino_Library
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url=https://github.com/sparkfun/SparkFun_VCNL4040_Arduino_Library
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architectures=*

‎src/SparkFun_VCNL4040_Arduino_Library.cpp‎

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/*
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This is a library written for the VCNL4040 distance sensor.
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By Nathan Seidle @ SparkFun Electronics, April 17th, 2018
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The VCNL4040 is a simple IR presence and ambient light sensor. This
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sensor is excellent for detecting if something has appeared in front
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of the sensor. We often see this type of sensor on automatic towel
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dispensers, automatic faucets, etc. You can detect objects qualitatively
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up to 20cm away. This means you can detect if something is there,
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and if it is closer or further away since the last reading, but it's
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difficult to say it is 7.2cm away. If you need quantitative distance
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readings (for example sensing that an object is 177mm away) check out
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the SparkFun Time of Flight (ToF) sensors with mm accuracy.
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This library offers the full range of settings for the VCNL4040. Checkout
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the various examples provided with the library but also please give the datasheet
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a read.
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https://github.com/sparkfun/SparkFun_VCNL4040_Arduino_Library
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Development environment specifics:
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Arduino IDE 1.8.5
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SparkFun labored with love to create this code. Feel like supporting open
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source hardware? Buy a board from SparkFun!
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https://www.sparkfun.com/products/14690
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*/
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#include <Wire.h>
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#include "SparkFun_VCNL4040_Arduino_Library.h"
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// Constants
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const uint8_t VCNL4040_ADDR = 0x60; //7-bit unshifted I2C address of VCNL4040
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//Used to select between upper and lower byte of command register

‎src/SparkFun_VCNL4040_Arduino_Library.h‎

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This is a library written for the VCNL4040 distance sensor.
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By Nathan Seidle @ SparkFun Electronics, April 17th, 2018
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The VCNL4040 is a simple IR presence and and ambient light sensor.
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You can detect objects qualitatively up to 20cm away. This means you can
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detect if something is there, and if it is closer or further away since the
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last reading, but it's difficult to say it is 7.2cm away. If you need
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quantitative distance readings (for example sensing that an object is 177mm away)
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check out the SparkFun Time of Flight (ToF) sensors with mm accuracy.
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The VCNL4040 is a simple IR presence and ambient light sensor. This
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sensor is excellent for detecting if something has appeared in front
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of the sensor. We often see this type of sensor on automatic towel
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dispensers, automatic faucets, etc. You can detect objects qualitatively
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up to 20cm away. This means you can detect if something is there,
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and if it is closer or further away since the last reading, but it's
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difficult to say it is 7.2cm away. If you need quantitative distance
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readings (for example sensing that an object is 177mm away) check out
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the SparkFun Time of Flight (ToF) sensors with mm accuracy.
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This library offers the full range of settings for the VCNL4040. Checkout
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the various examples provided with the library but also please give the datasheet

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