This week is about learning to design a PCB according to a particular microcontroller using its pinout/data sheet by modifying an existing hello echo board.
#Electronics design
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This week is about learning how to design a PCB.
#### Designing
I chose a hello.echo board based on ATtiny44 as it has the most available documentation. I don't understand completely which microcontroller to chose for what functions. So, I went with this one.
I chose a hello.echo board based on ATtiny44 as it has the most available documentation.
To add an LED and a switch, I started by making a list of the components required:
To add an LED and a switch, I started by making a list of the components required:
Components list:
1x ATtiny44 microcontroller
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@@ -35,13 +34,13 @@ Pinout for Attiny44
#### Creating the schematic
I used [KiCad 5.1.6](https://kicad-pcb.org/) to design my PCB. KiCad is an open source software suite for Electronic Design Automation (EDA). The programs handle Schematic Capture, and PCB Layout with Gerber output (this is what you send to a manufacturere). I started by creating a new project and opened the .sch file in Eeschema.
I used [KiCad 5.1.6](https://kicad-pcb.org/) to design my PCB. KiCad is an open source software suite for Electronic Design Automation (EDA). The program helps create a Schematic in sub-application called Eeschema, and then design the PCB Layout with Gerber output (this is what you send to a manufacturere) in the sub-application called PCBnew.
#### Update libraries
First step was to import all of the symbol and footprint libraries adapted for SMD components. These libraries can be found [here.](http://academany.fabcloud.io/fabacademy/2020/labs/barcelona/site/local/#material/extras/week06/assets/kicad_libraries.zip)
First step was to import all of the symbol and footprint libraries adapted for SMD components. These libraries can be found [here.](http://academany.fabcloud.io/fabacademy/2020/labs/barcelona/site/local/#material/extras/week06/assets/kicad_libraries.zip)
