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rfid with arduino – Circuit Schematic
rfid with arduino
If you ever wanted to integrate RFID functionality into your project, this small tutorial might help you accomplish that. I used the RDM630 module from seeedstu...
arduino clone – Circuit Schematic
arduino clone
It seems like it`s a rite of passage for folks to build out their own Arduino compatible boards once reaching a certain level of proficiency. Indeed, for me I w...
diy digital clock ds1307 rtc with arduino uno and lcd – Circuit Schematic
diy digital clock ds1307 rtc with arduino uno and lcd
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a thermocouple datalogger based on the arduino platform – Circuit Schematic
a thermocouple datalogger based on the arduino platform
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arduino intervalometer – Circuit Schematic
arduino intervalometer
So I made a Intervalometer for my Canon 400d camera at last. It`s another one that`s been in the endlessly long pipeline for a while. I based it on the wonderfu...
arduino based thermorbios weather station receiver – Circuit Schematic
arduino based thermorbios weather station receiver
Have finished documenting/cleaning the code for my Jaycar el-cheapo Thermor/BIOS  branded wireless weather station receiver. The basis for the code comes from...
an arduino compatible cp2102 – Circuit Schematic
an arduino compatible cp2102
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small bare bone arduino bluduino – Circuit Schematic
small bare bone arduino bluduino
There are many `bare bone` Arduinos you can find from internet.  Most of them are on a solderless breadboard with a ATmega168 (or 328) chip with Arduino bootlo...
theremin as a capacitive sensing device – Circuit Schematic
theremin as a capacitive sensing device
Here we show a little Theremin module which plugs onto a Arduino Board that gives out the tune to a speaker or puts out the tune as control signal like MIDI, Se...
arduino code for buffalo ii dac lcd connection – Circuit Schematic
arduino code for buffalo ii dac lcd connection
For a good tutorial in hooking up a ""standard"" LCD to Arduino and use the standard LCD library, see: LadyAda Tutorial on LCDs The diagram shows the basic conn...
Counter 0-9 Using Arduino Microcontroller – Circuit Schematic
Counter 0-9 Using Arduino Microcontroller
The high-tech credit card has been nicknamed "microcontroller super card" because of all the great improvement ideas. I showed how to first verify the code, and...
Barebones Arduino – Circuit Schematic
Barebones Arduino
You can easily build a barebones Arduino yourself. This project shows a breadboarded Arduino without an FTDI chip. This means no USB connectivity (this could be...
DIY Arduino Powered Diversity – Circuit Schematic
DIY Arduino Powered Diversity
I finally got all of the materials I needed in to work on my arduino powered Diversity controller. The plan is to support 2 inputs (though the hardware can supp...
arduino switch controller – Circuit Schematic
arduino switch controller
The heart of the switch controller is an Arduino Nano micro-controller - this is going to be the interface between the dashboard switches, wireless steering whe...
Arduino Multiplexing – Circuit Schematic
Arduino Multiplexing
The Nixies I`m using have 10 cathodes (shaped like numerals) and a screen-like anode. These are old Russian IN-12A`s that I obtained from an excellent Ukrainian...
arduino controllers and sensors – Circuit Schematic
arduino controllers and sensors
The Arduino microcontroller board is able to supply a current of 40mA from its output connections. These digital outputs are fixed at 5V ON  or 0V OFF . Thi...
DIY intervalometer for Sony NEX – Circuit Schematic
DIY intervalometer for Sony NEX
A DIY intervalometer for my Sony NEX 5N camera so that I could do time-lapse photography. This intervalometer should work with most Sony cameras: NEX, Alpha and...
Review of Arduino DAC solutions – Circuit Schematic
Review of Arduino DAC solutions
An analog output for my Arduino. The most common way to build a DAC is to use a R-2R ladder circuit. However, this DAC has no output buffer, which would make th...
Arduino solenoid project behaves strangely when operated on PC power supply – Circuit Schematic
Arduino solenoid project behaves strangely when operated on PC power supply
With a 9 V DC battery, it worked fine. But because of a less DC power, solenoid was not generating a powerful enough force. I modified a computer power supply a...
arduino Relay takes time to close – Circuit Schematic
arduino Relay takes time to close
Control a relay from an Arduino compatible board. When I try to activate the relay from the Arduino it takes at least a second to switch closed and sometimes do...