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Printable PCB with a Led for the Icezum Alhambra FPGA board


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Inspired by https://www.youmagine.com/designs/ultimaker-heated-bed-mosfet-relay-hack-v2 , by Jonathan Bischof


"Hello world" Peripheral for the Icezum Alhambra ( https://github.com/FPGAwars/icezum ) OpenFPGA board. It has a 3mm led, driven by a NPN transistor

The board has been designed with the opensource tool FreeCAD ( http://www.freecadweb.org )

You can find more information in this Github repo: https://github.com/FPGAwars/alhambra-led/wiki

Materials and methods

Bill of materials:

* The 3D printed PCB
* 1x Resistor 220 ohm (1/4w), through-hole
* 1x Resistor 2K2 (1/4w), through-hole
* 1x NPN transitor (TO-92 package): BC635, BC637 or compatible
* 1x 3mm Led through-hole
* 1 x 3 pin male connector right angle

* Print the PCB
* Insert the components
* Bend the components pin to fit in the lower channels. Trim the excess
* Solder the pins between them (see the pictures)
* Add a wire or something metalic for connecting the neg led pin to GND



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