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I received my first quadcopter for Christmas, a XS Nano Quad from Revell. It’s a tiny quadcopter, which I find extremely fun to play with. Unfortunately, the battery lasts only about 5 minutes (3.7V 100mAh) and the charge time is between 30 and 40 minutes. Because I regularly forget I put it to charge, I decided to make a simple device which can notify me as soon as the battery is fully charged, allowing me to maximise play time!   Using a Particle Photon and a photoresistor, change ...
Introduction Prototype Code Demo Next Steps   Introduction  Since I got my Spark Core, I've been fiddling without really knowing what I wanted to do with it. Lately, I've also been playing with my Rapiro again, and that's when I got the idea to build a physical controller for the robot, with at its heart a Spark Core.   The controller would be used to send different MQTT messages depending on which button was pressed. Rapiro (or any other IoT device, really ...
Previous blog posts for this project: IoT Alarm Clock - Part 1 IoT Alarm Clock - Part 2 IoT Alarm Clock - Part 3 IoT Alarm Clock - Part 4 (this post)   Hardware Software Voice control Web interface Avahi daemon Demo Voice control Train selection Version 2.0   I've been working hard the past few weeks in order to finalise both software and hardware for my IoT Alarm Clock. This is the final post for this project, or at least this first prototy ...
Previous blog posts for this project: IoT Alarm Clock - Part 1 IoT Alarm Clock - Part 2 Setting up the webserver Web app development Enclosure progress Next post This post focuses mainly on the build of the enclosure (lots of pictures!), but starts off with installation of some software components to get the web application running. Setting up the webserver  Install the "lighttpd" webserver on the pi:   pi@raspberrypi ~ $ sudo apt-get install lighttpd ...
Blog posts for this project: IoT Alarm Clock - Part 1 IoT Alarm Clock - Part 2 (this post) IoT Alarm Clock - Part 3     Pi-Lite Arduino Micro Buttons Single power supply Train API Enclosure     This week's progress on the IoT Alarm Clock! Mainly soldering, but also some testing.   Pi-Lite  During boot, I noticed some messages and characters were being displayed on the Pi-Lite. To get rid of this, I followed the steps below.   Ed ...
Project Description Project Execution Preparing the SD Card Booting the Pi for the first time Connecting to Wifi Wolfson Audio Card Speakers Pi-Lite Display Timezone Next   Project Description  In the book “Designing the Internet of Things”, one sample application which is mentioned is an alarm clock which is internet enabled, can check railway timetables, and if there is a delay, allow the user some extra time to sleep in. This ...

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