Nurduino

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Nurduino is our very own arduino clone. It is the evolution of the Arduino Radio Spectrum Analyzer prototype on a breadboard project. In that project I built a prototype of the Nurduino, and tried to share the how's and why's. In this page I will make a shorted description of how to build the Nurduino kit, and use it as a 2.4GHz Radio Analyzer.

What do I need

• A soldering iron (including sponge and stand). Use one that is accurate with a good tip. Although the pcb is setup with a lot of space there are a few spots where accuracy is required. Under €50 there are good options available.
• Solder. I use 0.7mm (more accurate then 1mm) with a resin core, containing lead (was your hands and try not to breathe the fumes).
• FTDI cable or FTDI friend (and micro usb cable) to connect the board to the usb port.

Kit components

1x	Atmega328PU IC
1x	CYWM6935 breakout board
1x	LD1117V33 Voltage regulater from 5 (and more) to 3.3V
1x	push button (always off)
2x	5 pin female header
1x	6 pin female header
1x	12 pin female header
1x	A six pin header (or actually, two 3pin jumpers)
2x	18pF ceramic disc capacitor
2x	200nF ceramic capacitor
2x	10uF electrolytic capacitor (elco)
2x	10KOhm resistor
1x	1KOhm resistor
3x	2.2KOhm resistor
1x	5mm red LED with integrated 1KOhm resistor
1x	16MHz crystal oscillator

Software

• To program the atmega chip, you need this sketch.
• The full schematic and pcb design of the Nurduino can be found in this zipfile.

Putting it together

If this is your first time soldering: don't worry, it is actually not hard. I learnt it from Mitch Altman, who is a great teacher and the co-author of Soldering is easy.