- Download the needed
*.fzpz
file for the board you wish to use. - Open Fritzing and click on the 4 strokes under "Parts".
- Select "Import..." and select the downloaded
*.fzpz
file - Now you can use the part like any other
The LTC3780 is a Step-Up-Step-Down power supply.
The Bourns PTL are a series of slide potentiometers. The model I used for this part is the PTL20-10G0-204B2 with 20mm travel, 200kΩ and a green LED for the lever.