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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 |  |
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| 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 | 100nF 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.