Q1-Q9 BC847BDW1 100mA IC, 45V Vce, Dual NPN/NPN Transistors, SOT-363 U1,U3,U5,U6,U8,U9 TLC555xD Single LinCMOS Timer, 555 compatible, SOIC-8 U2,U4,U7 LM324 Low-Power, Quad-Operational Amplifiers, DIP-14/SOIC-14/SSOP-14 D1 5V OK Light emitting diode D2 12V OK Light emitting diode D3 -12V OK Light emitting diode D4 PRSNT Light emitting diode D5-D12,D17-D24,D27-D34 1N4148WS 75V 0.15A Fast switching Diode, SOD-323 D13-D16,D25,D26 LED Light emitting diode J1 DIN41612_02x32_AB DIN41612 connector, double row (AB), 02x32, script generated (kicad-library-utils/schlib/autogen/connector/) J2 OPT EURO Generic connector, double row, 02x08, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) J4 USB HEADER 1x4 MALE PINS 0.100” 180deg J5 Audio In Generic connector, single row, 01x08, script generated (kicad-library-utils/schlib/autogen/connector/) J6 Audio Out Generic connector, single row, 01x08, script generated (kicad-library-utils/schlib/autogen/connector/) J7 UART J8 I2C Generic connector, double row, 02x04, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/)