Category: Tutorial

How to run Rotary Encoder   Arduino (with code)
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How to run Rotary Encoder + Arduino (with code)

A rotary encoder is a device that you can rotate infinitely. Simple ones like this one have no real state like a pot does, so when you start up, you won’t be able to simply read from the encoder where it is turned to. But because you can keep turning it it has no beginning, […]

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Adafruit 9-DOF IMU Breakout
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Adafruit 9-DOF IMU Breakout

Introduction Adafruit's 9DOF (9 Degrees of Freedom) breakout board allows you to capture nine distinct types of motion or orientation related data: 3 degrees each of acceleration, magnetic orientation, and angular velocity. If you also want barometric data, check out the Adafruit 10DOF breakout, which adds a BMP180 barometric pressure sensor to measure altitude and […]

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Cloud-Connected Weather Station with the Arduino Yun
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Cloud-Connected Weather Station with the Arduino Yun & Temboo

Overview Introduction In this article, you are going to build a weather measurement station that will automatically send data to the cloud using the Temboo service. When building home automation projects, we love to connect our devices together wirelessly and to the web, especially using WiFi. One solution is to use WiFi breakout boards or […]

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Automatic Monitor Color Temperature Adjustment
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Automatic Monitor Color Temperature Adjustment

Overview Staring at a computer monitor all day is quite stressful. Moving your gaze from the cold, white light of a monitor to warmer indoor light is especially jarring to your senses. Programs like f.lux and Redshiftwere created to ease this strain by adjusting the color temperature of your monitor. However these programs don't measure […]

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Capacitive Touch Sensors on the Raspberry Pi
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Capacitive Touch Sensors on the Raspberry Pi

Overview Capacitive touch breakout boards are an excellent way to use household objects as inputs on your Raspberry Pi. Any conductive object can act as a switch when connected to sensor boards, including potatoes, apples, spoons and pencil graphite. The capacitive touch sensors detect when you touch the board's pad or an object connected to […]

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Whistle Dog Activity Monitor Teardown
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Whistle Dog Activity Monitor Teardown

Inside the Whistle   The Whistle is an activity monitor for dogs. It clips onto the collar and tracks your dog's motion throughout the day. The Whistle joins your home wifi network to report stats to the iOS/Android app even when you're not home. The Whistle also has bluetooth, and reports on who your dog […]

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Narrative Clip Teardown
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Narrative Clip Teardown

Inside the Narrative Clip   Plug the device into your computer to charge it up and upload the photos to the Narrative service, which then delivers the photos to the Narrative app (iOS/Android) What's inside this charming little square? We took apart the Narrative Clip to see what drives its camera and senses the world […]

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Adafruit HTU21D-F Temperature
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Adafruit HTU21D-F Temperature & Humidity Sensor

Overview It's summer and you're sweating and your hair's all frizzy and all you really want to know is why the weatherman said this morning that today's relative humidity would max out at a perfectly reasonable 52% when it feels more like 77%. Enter the HTU21D-F Temperature + Humidity Sensor - the best way to […]

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Adafruit BMP183 SPI Barometric Pressure
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Adafruit BMP183 SPI Barometric Pressure & Altitude Sensor

Overview Fans of the BMP085/BMP180 will want to take a look at the new BMP183 - an SPI spin on the old familiar classic. This precision sensor from Bosch is the best low-cost sensing solution for measuring barometric pressure and temperature. Because pressure changes with altitude you can also use it as an altimeter! The […]

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IRIS LED and Prop Guards
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IRIS LED and Prop Guards

Overview UFO Drones This summer light up the night sky and fly safe with your drone. In this project, we'll show you how you can upgrade the IRIS quad copper with LED NeoPixel rings and 3d printed prop guards. These parts provide extra protection to your propellers and are extremely light weight. What do I […]

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Adafruit TSL2591 High Dynamic Range Digital Light Sensor
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Adafruit TSL2591 High Dynamic Range Digital Light Sensor

Overview When the future is dazzlingly-bright, this ultra-high-range luminosity sensor will help you measure it. The TSL2591 luminosity sensor is an advanced digital light sensor, ideal for use in a wide range of light situations. Compared to low cost CdS cells, this sensor is more precise, allowing for exact lux calculations and can be configured […]

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Adafruit MPR121 12-Key Capacitive Touch Sensor Breakout Tutorial
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Adafruit MPR121 12-Key Capacitive Touch Sensor Breakout Tutorial

Overview Add lots of touch sensors to your next microcontroller project with this easy-to-use 12-channel capacitive touch sensor breakout board, starring the MPR121. This chip can handle up to 12 individual touch pads. The MPR121 has support for only I2C, which can be implemented with nearly any microcontroller. You can select one of 4 addresses […]

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Adafruit TMP007 Sensor Breakout
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Adafruit TMP007 Sensor Breakout

Overview Unlike most of the other temperature sensors we have, this breakout has a really cool IR sensor from TI that can measure the temperature of an object without touching it. The TMP007 is the latest thermopile sensor from TI, and is an update of the TMP006. The internal math engine does all the temperature […]

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Adafruit LSM9DS0 Accelerometer   Gyro   Magnetometer 9-DOF Breakouts
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Adafruit LSM9DS0 Accelerometer + Gyro + Magnetometer 9-DOF Breakouts

Overview Add motion, direction and orientation sensing to your Arduino project with this all-in-one 9-DOF sensor. Inside the chip are three sensors, one is a classic 3-axis accelerometer, which can tell you which direction is down towards the Earth (by measuring gravity) or how fast the board is accelerating in 3D space. The other is […]

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Adafruit MMA8451 Accelerometer Breakout
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Adafruit MMA8451 Accelerometer Breakout

Overview You can detect motion, tilt and basic orientation with a digital accelerometer - and the MMA8451 is a great accelerometer to start with. It's low cost, but high precision with 14-bit ADC. It has a wide usage range, from +-2g up to +-8g yet is easy to use with Arduino or another microcontroller The […]

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