Hobby boards like the Arduino beg to be built up into gaming systems; the Esplora branch of the Arduino project makes it even easier by including hardwired buttons, a joy stick, and other game-focused features right on the development board.
Ladyada and pt had an old NeXT keyboard with a strong desire to get it running on a modern computer. These keyboards are durable, super clicky, and very satisfying to use! However, they are very old designs, specifically made for NeXT hardware, pre-ADB and pre-USB! That means you can't just plug the keyboard into an ADB or PS/2 port or PS/2 to USB converter (even though it looks similar). In fact, I have no idea what the protocol or pinout is named, so we'll just call it "non-ADB NeXT Keyboard"
Today's tutorial is a bit different: I'm going to show you how to make your ethernet shield wireless! You can find many Wi-fi shields for Arduino: starting from the official one, up to shields based on Microchip's ICs.
Today I will write about a small chat client which I had made using Xbees. It is a peer-to-peer based chat system. Here I describe using only two nodes, but later in the post, I shall explain on how to develop chat system with more than 2 nodes.
Our goal in this step-by-step instructable is to build a device you can clip to your belt and wear throughout the day. This device will log data that, when downloaded to a back-end server system, will provide a report showing the location history of your day along with the breakdown of how much time you spent indoors and outdoors.
Here is the basic problem statement: I need to develop a temperature sensing system such that the temperature from the sensor node is relayed to a co-ordinator sensor and then the co-ordinator node shows the user in a simple graphical form.
Robocademy allows anyone to upload code to currently two Arduinos and see the Arduino over live video. I started the project because I got to play with a robot over the internet and thought it would be great to let people program Arduino over the net. The code is completely open source, BSD license. I want to have people put their Arduinos online from all over the world.
I am just finishing up a project at work, which requires two water tanks to be maintained at 180F. Each tank has twin 1500 watt, 240vac heating elements, each controlled by a SSR (Solid State Relay). My Arduino Mega 2560 reads two DS18B20 temp sensors (one in each tank), and maintains the temperature with a 5 degree window.
The LED Sign itself is a 48x10 soldered together matrix of red LED's. I soldered them together sparsely in a mesh so it could be mounted in the back window without losing rear visibility. The rows are controlled using a 4017 decade counter for POV. The columns are controlled using six 959 shift registers.
The Paper-Duino-Pi is an Arduino shield for the Raspberry Pi. Due to the fact that it is designed as Paper-PCB it is easy to create and one doesn't need a printed circuit board. All components are standard electronic parts that are easily available at your favorite electronic shop. Plus they are really cheap. All you need are some electronic knowledge and soldering skills.
The idea behind the Raspberry Pi to Arduino shields connection bridge is to allow to use any of the shields, boards and modules designed for Arduino in Raspberry Pi. It includes also the possibility of connecting digital and analog sensors, using the same pinout of Arduino but with the power and capabilities of Raspberry.
SiriProxy running on the Raspberry Pi, along with wiringPi to access the Pi's GPIO pins and turn a relay on/off. The relay is then hooked up to my automatic garage door system. So, I have control of the door with Siri on my iPhone.
I built a remote-controlled robotics platform using a 4WD mobile platform, an Arduino (Seeeduino Mega), an Adafruit motor shield, and two XBee radios for communication. There are also some super-bright white LEDs on the front for headlights. The point of the project was to show how an XBee radio can be used to send joystick sensor data without using a microcontroller on the remote.
The GarageUino is my first Arduino project that has resulted in a product that I actually use. It’s a garage port controller that features a 20 by 4 character LCD display, four LEDs, a button, two connectors for position sensors and an USB connector. Oh! And of course an Ethernet port for Internet access. I’ll get back to that later.
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