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You can add parts to your design in three ways:
  • Install a pre-made package
  • Add a specific component by supplier search
  • Let the auto-picker select passives for you

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Packages

In the sidebar, open the Packages tab. Under the Browse tab, you can search for and browse available packages. Click on a package to add it to your project. You can also switch to the Project tab to view and manage the packages already installed in your project. 
from "rp2040.ato" import RP2040

module MyProject:
    mcu = new RP2040
See the packages guide for more details. In the sidebar, open the Find Parts tab. Under the Find Parts sub-tab, search for JLCPCB parts by name, description, or part number. Click on a part to add it to your project. You can switch to the Project tab to view the parts already added to your project. See the adding components guide for more details.

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Auto-picker

For passives and other common components, specify your requirements and atopile will automatically select a matching part: 
resistor = new Resistor
resistor.resistance = 10kohm +/- 5%
resistor.package = "0402"
The Standard Library tab in the sidebar lists built-in interfaces and modules (such as Resistor, Capacitor, LED, MOSFET, and more). Most of the components in the standard library are auto-pickable. See the adding components guide for more details.