DIY Hi-fi
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There are a bunch of folks here at NYCResistor learning to program the arduino in the arduino 101 class!
Space was limited in my room so I decided long ago to remove my bed and build a lofted setup.
I do a lot of tinkering so I built in a U shaped desk that extends more or less around the full perimeter of my room with lots of space to work on things. My desktop setup lies directly underneath my bed and on the opposite side I have a soldering/electronics station.
I recently underwent a few hardware upgrades for my desktop which include a liquid cooled 6 core, 64 gb RAM custom machine and 3x 27" Achieva Shimian Korean IPS displays. These are mounted to the wall with monitor arms and can be pulled closer to the edge of the table if needed. The setup works really well for my 3d modeling and coding work.
They are also backlit by a RGB LED strip powered by an Arduino R3 and Python based client on the desktop which changes color according to the color on the screens. I find that it helps a lot with eye strain and adds a great ambiance to the room.
Using two 4051 multiplexer ICs I am able to simulate the electric typewriter's keyboard matrix and can control the entire functionality of this machine via the Arduino board.
This example shows the result of a tool that tries to recreate an image with the available letters on the daisy wheel. It types several layers of type over each other and also uses half-letter spacing and half-line feeds to cover more paper with carbon. The principle of this is demonstrated here: incubator.quasimondo.com/DarwinCss.html
First test run of the CD-sized rotor with the Arduino generating three-note polyphonic music. There are four reflective opto-sensors, mounted above a CD with a paper disk on top. (Flickr now rates this photo as the "most interesting" of my entire photostream.)
Quick proof of concept. Arduino accepting serial communication from Bluetooth Module. Created a bluetooth profile on Mac/OSX and sent data from mac to arduino.
I made an Arduino compatible board last night. Holtek's step-up DCDC converter generates 5v from one AAA battery. Good for stand alone projects.
My 3rd generation arduino Lego Controller. This one supplies true DC power out via buck converters (and a couple relays). It also supports 16 automated switches. An Android app can fully control this via bluetooth.
My newly designed arduino-based flash trigger. I even gave it cool programmable status LEDs (all cool projects need status LEDs :-) ). So far, only a sound-triggered input has been added, but I've left room on the board for other detectors such as beam-break, lightning, etc.
I use this in my Stopping Time set.
©2009 David C. Pearson, M.D.
A basic circuit for arduino mini. The power connections are to an arduino NG's +5v and ground, powered via USB. The LED connects to pin 13.
This is the same as circuit one but with a reset switch.
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The reset switch takes the reset pin low. It is pulled up high through the resistor in top left (which goes to +5v) when the switch is not pressed.
I made this housing for an Arduino Pro that will control my waveguide relay in my 47 GHz radio. This housing is made from 6061 billet aluminum. The cover is held on with a dozen 0-80 screws.
Our third Arduino 101 class at Tam Makers went really well. I taught this evening course with co-instructor Donald Day on Thursdays, from June 16 to 30, 2016, at the woodshop in Tam High School in Mill Valley.
We worked with an enthusiastic group of seven students, including adults with diverse backgrounds, as well as a couple high school students. Our partner Geo Monley worked both as a mentor and as a student during the hands-on sessions.
We started the class at 6pm, by giving students an overview of how circuits work. We then learned how to use a multimeter, how to solder electronics, and how to control rainbow-colored NeoPixel lights.
Students seemed to really enjoy this class and told us they learned a lot from it. Several expressed an interest in taking intermediate and advanced classes in the future. This is one of our first maker courses at Tam Makers, and we’re really happy that it is going so well; we look forward to teaching more classes in the fall.
View more photos of this Arduino course:
www.flickr.com/photos/fabola/albums/72157659914570948
Learn more about this Arduino 101 class:
www.tammakers.org/arduino-101/
Read our Arduino 101 Guide:
bit.ly/arduino-101-guide-june-2016
Check out our course slides:
bit.ly/arduino-101-slides-june-2016
Learn more about Tam Makers:
I am making an Arduino course for hipsters, instead of looking at what you learn, I am going to concentrate in what people think about themselves, establish an indie relationship to the world of electronics, portratit electrons as Emo-children, help the bohemian soul to embrace complex concepts that go beyond drinking wine while listening to Coldplay ... and all of this while only wearing B&W clothes.
This is the agenda for the course that will take place on April 28th at STPLN, in Malmo, Sweden.
Arduino controller with:
-Bluetooth control from Android phone
-Controls Canon A530 Camera
-Vex mobile base
Arduino key tapper keeps VPN login from timing out. Taps keyboard every 4 minutes. Uses small servo motor to actuate arm that hits shift key.
Acrylic case from Pokono. Other parts/servo from Sparkfun.
There might be better ways of doing this by faking computer that arduino was keyboard or mouse, but this was the easiest. :^)
Quick implementation of an inclinometer with a 3 axis accelerometer on Arduino. It's a 3g model, which is a bit of overkill for this application.
I'll combine this with the electronic compass to compensate for inclination AND get an absolute heading measurement. I don't think I'll need the gyros.
I've since combined this with my Arduino-to-RC-Transmitter hack to control two servos remotely based on the inclination of the Arduino. Aim? Head motion tracking to pan a camera remotely.
Arduino and Processing. Very happy how this turned out.
"Astabiler Multivibrator" ist eine Schaltung, die ich jetzt gelernt habe. Auf dem Steckbord aufgebaut, mit dem Arduino gemessen und mit Processing visualisiert. Der Anfang von einem Oszilloskop.
Sparkfun ESP8266 Thing Dev Board with BME280 breakout board.
Raspberry Pi 3 with DHT22 tempature and humidity sensor
Shown next to the ML-L3 for comparison. Right now they do about the same thing, but the Arduino one will be programmed to make it an intervalometer.
Arduino projects rebuilds. A couple old projects that I rebuild with better cases. Amazing canon G12 takes excellent pictures with no effort.
Arduino Mega with Adafruit GPS unit. The mega is nice because it has multiple uart/serial interfaces and that makes it easy to talk to computer/GPS/LCD.
Arduino test setup for highspeed photography.
Test picture here: http://www.flickr.com/photos/34463171@N04/3601011605/