Labels Milestones
BackPin header, 2.54 mm, 1x10 Pin socket, 2.54 mm, 1x4 Pin header, 2.54 mm, 1x2 (see [build notes](build.md)) | | R3, R21, R27, R28 | 3 | 2N3904 | 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92
- (http://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=82181_SOFTSHELL_HIGH_DENSITY&DocType=CS&DocLang=EN), generated with kicad-footprint-generator JST XH series connector.
- U28E-4 https://pdfserv.maximintegrated.com/package_dwgs/21-0108.PDF), generated with.