1  1N5818                        D1
  1  BUZZER                        SG1
  1  CD74HC22106/MT8808AP          U2
  3  DOUBLE CONNECTOR 40 POL       U3,U4,U16
  2  OLED I2C 128x64               U5,U7
  1  PRO MICRO                     U6
  2  SOCKET 24 PINS WIDE           U6,U8
  1  SOCKET 28 PINS                U2
  1  USB HOST SHIELD MINI          U8