U1 AMS1117-3.3 1A Low Dropout regulator, positive, 3.3V fixed output, SOT-223 U2 AMS1117-1.8 1A Low Dropout regulator, positive, 1.8V fixed output, SOT-223 U3 AMS1117-1.0 1A Low Dropout regulator, positive, 1.0V fixed output, SOT-223 U4 XC7A100T-CSG324 Artix 7 T 100 XC7A100T-CSG324 AUDIO_OUT_HEADER1 Conn_01x02 Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) C1-C6 10uF Unpolarized capacitor D1 LED Light emitting diode J1 Screw_Terminal_01x02 Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) JTAG1 Conn_02x03_Counter_Clockwise Generic connector, double row, 02x03, counter clockwise pin numbering scheme (similar to DIP package numbering), script generated (kicad-library-utils/schlib/autogen/connector/) R1 330Ω Resistor R2 10kΩ Resistor SW1