Bill of Materials

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Electronic Components

Reference Value (Package) Quantity (per robot) Digi-key part number
R1 13k (1206) 1 311-13.0KFRCT-ND
R2, R9, R12, R15 10k (1206) 4 311-10KERCT-ND
R3, R4, R7, R8 110k (1206) 4 311-110KFRCT-ND
R5 357k (0805) 1 311-357KCRCT-ND
R6 196k (0805) 1 311-196KCRCT-ND
R10, R11, R13, R14, R16, R17 1k (2512) 6 2N7002LT1GOSCT-ND
R18 1M (0805) 1 311-1.00MCRCT-ND
R19, R20, R21, R22, R23 1k (0805) 5 311-1.0KARCT-ND
C1, C2 0.1u 2 732-8319-1-ND
C3, C4 10u 2 478-4086-1-ND
C5, C6 18 pF (0805) 2 1276-1107-1-ND
Y1 16 MHz (HC49-SD) 1 535-10226-1-ND
Q1, Q2, Q3, Q4 Q_NMOS_GSD (SOT-23) 4 2N7002LT1GOSCT-ND
U1, U2 TPS7101QD (SOIC-8 3.9x4.9mm) 2 296-27041-5-ND
IC1 ATMEGA2560-A (TQFP-100 0.5mm) 1 ATMEGA2560-16AU-ND
U3, U4, U5 DRV8870 (SOIC-8) 3 296-42660-1-ND
U6, U7, U8 EE-SX1088 3 OR1066-ND
U6, U7, U8 EE-SX1088 connector 3 A100098-ND
U9 ATWINC1500 1 ATWINC1500-MR210PB-ND
U10 74HC245 (TSSOP-20 0.65mm) 1 296-1233-1-ND
U11, U12, U13 DRV8837 (WSON-8 2x2mm) 3 296-34806-1-ND
D1, D2, D3, D4, D5 LED (1206) 5 516-1443-1-ND
TH1 Thermistor_NTC 1 317-1256-ND
SW1 SW_SPDT 1 CKN10393-ND
P1 Power Connector 1 WM1814-ND
P2 Battery Connector 1 WM4901-ND
M1, M2, M3 DC_Brush 3 A33857-ND
CON1 AVR-ISP-6 1 609-2845-ND
P3, P6 8-pin header 2 S9008E-08-ND
P4 6-pin header 1 S9008E-06-ND
P5 10-pin header 1 S9008E-10-ND
W1, W2, W3, W4, W5, W6, W7 Test point 7 36-5004-ND

Hardware

Project Part No. Supplier Supplier Part Number Description Quantity
H-01 McMaster-Carr 90665A113 #8-32 Screw, for wheel-mount fastening (50 pk), 5/8" long 12
H-02 McMaster-Carr 92146A545 #8 split-lock washer 12
H-03 McMaster-Carr 90730A009 8-32 narrow stainless steel nut 12
H-04 McMaster-Carr 92148A150 M3 stainless steel lock washer 6
H-05 McMaster-Carr 90591A121 M3 zinc-plated nut 6
H-06 McMaster-Carr 92005A120 M3x0.5mm 10mm long screw 6
H-07 McMaster-Carr 91166A210 M3 washer 6
H-08 McMaster-Carr 92141A003 #2 washer 3
H-09 McMaster-Carr 90190A077 #2 sheet metal screw, 5/16" long 3
H-10 McMaster-Carr 90272A115 #4-40, 1" long screw 6
H-11 McMaster-Carr 92141A005 #4 washer 6
H-12 McMaster-Carr 92146A530 #4 lock washer 6
H-13 McMaster-Carr 90480A005 #4-40 nut 6
H-14 McMaster-Carr 93505A449 Stand-off, 8-32 thread 3
H-18 VEX RB-Inn-319 VEX IQ 63mm Omni Wheel 3
C-01 N/A (Custom) N/A Aluminum Chassis 1
C-02 N/A (Custom) N/A Gear Motor Mount 3
C-03 N/A (Custom) N/A Encoder Wheel 3
C-04 N/A (Custom) N/A Encoder Wheel Spacer 9
C-05 N/A (Custom) N/A Robot top 1

Custom Components

Aluminum Chassis (C-01)
Encoder Wheel (C-03)
Gear Motor Mount (C-02)
Encoder Wheel Spacer (C-04)