Fritzing breadboard generated by brd2svg layer 21 text:SCK SCK text:MISO MISO text:RX0 RX0 text:TX0 TX0 text:D2 D2 text:D3 D3 text:D4 D4 text:D5 D5 text:D6 D6 text:D7 D7 text:A7 A7 text:A6 A6 text:A5 A5 text:A4 A4 text:A3 A3 text:A2 A2 text:A1 A1 text:A0 A0 text:D8 D8 text:D8 pinoccio r1.0 text:BKPK BKPK text:VUSB VUSB text:VUSB OFF text:VUSB ON text:3V3 3V3 text:GND GND text:RX1 RX1 text:VBAT VBAT text:TX1 TX1 text:SCL SCL text:MOSI MOSI text:SS SS text:RST RST text:SDA SDA text:AREF AREF element:B1 package:BALUN element:J1 package:2X3-PAD element:J2 package:2X3-PAD element:J3 package:1X02 element:J4 package:1X02 element:JP-L package:1X16_2MM element:JP-R package:1X16_2MM element:L1 package:0603 element:R2 package:0402 element:R13 package:0402 element:S1 package:SWITCH-SPDT-SMD element:X1 package:CRYSTAL-SMD-2.5X2-ABM10 element:X2 package:CRYSTAL-SMD-2X1.2-ABS06