Electronics Design
Designing a PCB and milling it!
The individual assignment of this week is to redraw the echo hello-world board, mill it, and add, at least, a button and LED. First thing I did was to draw the schematics of the board on Eagle and convert them to a board.
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First, I added the components:
6-pin programming header
microcontroller
FTDI header
20MHz resonator
Resistor (10k and 499 ohms)
Button
Ground
VCC
LED (Light Emitting Diode)
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I connected the components.
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and added their names and values.
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The next step was to switch to board (from the File menu).
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and re-connect the components.
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Re-connecting took a lot of time, but it eventually worked out.
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Almost done.
The next step was to mill the boeard and prepare it for soldering of the componenets:
- 1 x Attiny44A
- 2 x 10K resistors
- 1 x 499 resistor
- 1 x uf Capacitor
- 1 x LED
- 1 x 6 pin header
- 1 x FTDI header
and this is the final board, soldered:
Files
Outline.RMLTraces.RML