{ Fab Academy 2015 : Koichi Shiraishi }

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- Week 06: Electronics Design -

Weekly Assignment

1: Install EAGLE and lib data

I already installed “EAGLE.”(ver. 7.2)
I installed the library data and sample schematic/board according to the instruction on “Introduction to EAGLE.”

I checked a data sheet of LED I choose. The LED need 1.8V,40mA. I used “LED calculator.” It is a convenience.
I decide to use a 100 ohm resister.

2: Schematic(EAGLE)

I opened the sample schematic, added the parts.

It is very easy and simply. I put the parts, as I recalled the schematic symbols.
The connecting function is control intuitive handling. It is easy to use.
It can connect the wire for invisibility by setting a same name.

3: Board(EAGLE)

I arrange the parts in the board window. It also control intuitive handling.
I could not image the real-size. I think checking a scale by paper print is important.

Thanks to “Introduction to EAGLE”, my circuit was completed.

Designed files

4: Milling a board

I engraved the circuit pattern by this way(Week04).

Setting Z origin is very difficult, because the mill I used has a very sharp tip.
The first cut was not enough engraving. I redid after setting Z origin.

5: Soldering

bought a sharp iron tip, because I had a hard time to use a thick tip when I made the Fab ISP.
I could set the tip on the aimed point. Therefore, I soldered pretty well.