Forum user bigpilot made a DIY alarm clock, complete with auto daylight savings time adjustment.
The schematic and source code for the project can be found in this forum thread.
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Allen Huffman used a Teensy 2.0 as an interface between arcade joysticks and an iPad.
The project came about when he was having difficulty getting an expensive input board to work in a haunted house attraction. When he discovered that the iCade keyboard commands worked over a USB connection, he figured he could use an Arduio board and hood the USB side to an iPad and create his own interface. With a bit of research he got his project up and running.
David Guerrero made his own arcade table for playing Simon.
This video shows a demo of the game play.
While he used genuine arcade joysticks and a vintage CRT display, it was still lacking in authenticity. The risk of a $0.25 loss was missing. Since emulators basically allow unlimited lives, taking away the gamble of a valuable coin, David disabled that feature and created a little challenge that must be won to add more coins/lives.
The code and many other details about the project (like how to obtain the valuable game play credits) are available on GitHub.
Mario the Maker Magician made a Robot Bunny that can be magically pulled out of a hat.
The bunny is made from flexible PLA. LED Matrixes were used for the eyes and a couple of servos were used for the paws.
Mario said the what he learned most from the project was how to multi-task with the Arduino platform – taking the delay function out of his code, but still being able to control 7 LEDs and make 2 servos work at the same time. The size of the Teensy was perfect for this magical bunny.
Fuzzy-Wobble published an Instructable for a Meme Video Alarm Clock. This custom clock plays a video of your choice for the alarm, but of course the “Wake Up Wake Up” clip featured in the video makes for a pretty awesome alarm.
The Instructables page provides all the code and instructions for making your own, including instructions on formatting your own custom video and the files for laser cutting the enclosure.
Forum user JLJ has developed an Air Data Computer. This compact DIY computer measures air data such as air speed and temperature.
Be sure to checkout the project website for detailed information on how you can build your own.
The project is Open Source with code and hardware detail published on GitHub.
Forum user Blackaddr developed a guitar audio shield .
The TGA Pro is stereo-sound capable and designed specifically for use with guitars providing an onboard preamp specifically designed for the wide range of voltages and impedances encountered when dealing with guitars, pedals and guitar amps. It also provides onboard MIDI connectors for use with the Arduino MIDI library, and optional external SRAM for additional data storage. This shield makes it very easy for musicians to add effects while playing guitar.
You can read about the board’s development over on this forum thread.
In this video demo the only gear used is a guitar, the TGA, a MIDI expression pedal, and a tube amp. The expression pedal is used to open the input to the SOS channel and feed in the same chord in two different octaves to get a nice blended background ambience.
Be sure to check out blackaddr’s Tindie page for all the details on this shield.
Forum user jasper is developing a connector board for the Teensy 3.5. This useful board breaks out many of the pins to easily accessible connectors.
Over 20 of the pins are broken out by this board. It also sends power and ground to many of the connectors, making it useful for wiring in sensors and peripherals.