Note: this is a complex project with many details. For the short version, please see:Portable environmental monitor presentationProduction ready design documentIntroductionLast year (2014) I put my spare time to some really good use: I designed my first...
You can find the schematic ready to edit and go on EasyEDA here. Source code for the Arduino sketch is attached and below. Note that it uses the TimerOne library to provide higher-resolution Timer1 frequency control for the Pulse Width Modulation to...
The work by others to port Arduino BASIC to the Smart Response-XE device was of interest, but I wanted a few enhancements to extend battery life (auto shutdown) and I wanted an easier way to do math on the console rather than typing "PRINT" everytime...
by tEEonEIntroduction I love racing games, and along with the Xbox One came Forza 5!The few steering wheels for XB1 are super expensive and bulkyThe XB1 controller is a new device and i was dying to take one apartI had a spare SRW-S1 lying aroundI thought...
Why does cutting food have to be a task that is difficult for some? We can do better- there should be a robot for this task. Similar to a kitchen appliance, one that people can place next to their microwave.Here is an overview video about the project:Here...
This is a wirelessly controlled UPS with control over individual power ports. It integrates into the wireless Reactron network for intelligent control. In the image below we see the original UPS board at the top, and an additional relay...
Linux Debian system with custom kernel including various touch screen modulesTouch screen with support for click, drag and calibrationLatest XBMC/KODI (with large number of applications including Gmail, Facebook, online radio, Youtube, Redbull tv, etc)can...
The solar energy generator has a buck boost topology DC-DC converter that can either step up or step down the output voltage from the input voltage, which allows the system to operate at the panels peak efficiency known as the maximum power point. The...
This is my 2nd carputer, this time running an Intel NUC with a Lilliput 669GL.It boots directly into Navit, with some experimental features (integrated Spotify player, Foursquare places search/explore and checkins and GooglePlaces search).Fully operated...
The premise was(is) pretty straight forward: An RGBW LED ambient lighting system that allowed for both automatic and manual control modes, was not too expensive, could be installed temporarily in my dorm room and most of all required almost not tools...
Description: UPDATE: BOTH APACHE AL13P & TRULAM TL-320B compatible.Design & DIY fileshttps://www.dropbox.com/sh/y7e505zgkx504oo/AAA3ri2qAptyTXqPpXXD7rTZa?dl=0 I've taken a robust document laminator (AL13P or TL-320B) that features all metal construction...
HardwareThe Game Show Emulator has two basic components.The Raspberry PiThe ButtonsThe Raspberry Pi runs the emulation software, and polls the buttons. The buttons are connected to ground and Raspberry Pi pins 4, 17, and 22 using the BCM layout. Each...
I came up with the idea to use a good 'ole Raspberry Pi and I figured there must be some way to go on the internet, grab the appropriate TV schedule and then read it out through an amplified speaker, I decided that I also needed an easy to use and chunky...
this baby is dirt simple, i just wanted a random offline file drop to leave open around my neighborhood and see who ventured in. All tied together with beautiful electric tape and finished off with a shutdown button tied to GPIO #17 and a ground for...
Overview and GoalsHello, interested reader. I have benefited so much from other people's blog posts, both in my hobbies and my professional life, that I decided it was high time I contributed a little. I hope that someone finds it useful.I've been interested...