sensor

TSL2584TSV Ambient Light Sensor

The TSL2584TSV is a very-high sensitivity light-to-digital converter that transforms light intensity into a digital signal output with a fast-mode I²C interface. The device combines one broadband photodiode (visible plus infrared), one infrared-responding photodiode, and a photopic infrared-blocking filter on a single CMOS integrated circuit. Two integrating analog to Digital Converters (ADCs) convert the photodiode …

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UDOO Neo = Raspberry Pi + Arduino + Wi-Fi + BT 4.0 + Sensors

UDOO Neo embodies a new concept: a single board computer suitable for the Post-PC era: Like a Raspberry Pi, you can program it in any language and run a full Linux environment with graphic interfaces. You get all the simplicity of an Arduino-compatible board, thanks to the Cortex-M4 and the Arduino UNO pinout layout, with the possibility of …

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Make An Auto-Locking Office Door with Smartphone Proximity Sensor

Pssst – want some high tech protection for your home office, or a secret lock for your “workshop” (ok, you got me, it’s actually a dungeon/gaming room) that the kids won’t be able to figure out? We’ve got you covered. Let’s build a DIY smart lock that automatically detects when you’re there, and locks when you’re not. …

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DIY Infrared Motion Sensor System for Raspberry Pi

During the month of July 2015, I completed a high school internship at Colorado State University, and one of the projects that I worked on was that of a infrared proximity sensor for Raspberry Pi. This short range infrared sensor can be attributed to a variety of applications, including line-following robots and motion activated cameras. …

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Bluetooth Low Energy: Read-Write to Sensor Network from Raspberry Pi using Raspberry Pi

Originally published in this blog. The goal of this tutorial is to demonstrate how you can read and write from a Bluetooth Low Energy (BLE) device. For example, if you want to read the ‘number of steps’ data from your fitbit and make interesting apps with it, In this tutorial, I am using a RedBearLab …

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Interfacing DS18B20 Temperature sensor with Raspberry Pi

DS18B20 is a commonly used temperature temperature sensor providing 9 bit to 12 bit digital Celsius temperature measurements. The sensor communicates over one wire bus. Each sensor has a 64 bit serial code enabling multiple sensors to be connected to the same one wire bus. The Raspberry Pi has drivers for one wired devices to …

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Measure temperatures with a 1-wire DS18B20 sensor and Raspberry Pi

In our article DS18B20 Temperature Sensor with Raspberry Pi we detailed how the Raspberry Pi can be used to take temperature readings from a ds18b20 temperature sensor via the i2c protocol. Here we will expand that article to explain how multiple temperature sensors can be copnnected to the Raspberry Pi – particularly useful for example …

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