Item Qty Reference Part Name Manufacturer Description Digikey # 1 1 L1 0603_IND 2 5 R1 R21-22 R24-25 10K_RESISTOR_ARRAY_4_RES 3 3 J3 J8-9 2PIN_AMP100_CONNECTOR 4 4 J4-7 4PIN_AMP100_CONNECTOR 5 4 U18-21 8PIN_AMP100_CONNECTOR 6 1 Y1 ABM3_8MHZ_CRYSTAL 7 1 U22 AO3400A_N_CHANNEL_MOSFET 8 1 MOSFET1 AO4435_P_CHANNEL_MOSFET 9 1 U1 ATXMEGA256A3U ATXMEGA256A3U-AU-ND 10 2 J1-2 BB_BLK_HEADER 11 12 C19-20 C22 C25-26 C28 C31-32 C34 C37-38 C40 CAP0603,.1uF IPC SM-782 STD. SURFACE MOUNT CAPACITOR 0.031 X 0.061 INCHES 12 4 C21 C27 C33 C39 CAP0603,.47uF IPC SM-782 STD. SURFACE MOUNT CAPACITOR 0.031 X 0.061 INCHES 13 11 C1-9 C11 C45 CAP0603,100nF IPC SM-782 STD. SURFACE MOUNT CAPACITOR 0.031 X 0.061 INCHES 14 5 C10 C17 C23 C29 C35 CAP0603,10nF IPC SM-782 STD. SURFACE MOUNT CAPACITOR 0.031 X 0.061 INCHES 15 7 C12 C15-16 C18 C24 C30 C36 CAP0603,4.7uF IPC SM-782 STD. SURFACE MOUNT CAPACITOR 0.031 X 0.061 INCHES 16 2 C13-14 CAP1206,10uF IPC SM-782 STD. SURFACE MOUNT CAPACITOR 0.062 X 0.126 INCHES 17 4 C41-44 CAP_100UF_35V_ALUMINUM 18 1 U9 FT232RL_USART 19 2 U10-11 GREENLED_0603 20 1 U23 ICSP_HEADER 21 1 U24 JTAG_HEADER 22 4 U14-17 M3_MOUNTING_HOLES 23 1 VR2 MCP1700T_3.3V_REG 24 4 H1-3 H8 POLOLUDRV8825_HEADERS 25 8 R3-4 R7-8 R11-12 R15-16 RES0603,.1 IPC SM-782 STD. SURFACE MOUNT RESISTOR 0.031 X 0.061 INCHES, 1/10W 26 4 R5 R9 R13 R19 RES0603,1.5k IPC SM-782 STD. SURFACE MOUNT RESISTOR 0.031 X 0.061 INCHES, 1/10W 27 5 R2 R6 R10 R14 R20 RES0603,10k IPC SM-782 STD. SURFACE MOUNT RESISTOR 0.031 X 0.061 INCHES, 1/10W 28 2 R17-18 RES0603,68 IPC SM-782 STD. SURFACE MOUNT RESISTOR 0.031 X 0.061 INCHES, 1/10W 29 4 U5-6 U8 U13 ST4ETB103_POTENTIOMETER 30 1 S1 SWITCH_TACTILE 31 4 U3-4 U7 U12 TI_DRV8825 32 1 U2 USB_B_HEADER 33 1 VR1 V7805_1000_DCDC_CONVERTER