J. Mike Rollins (Sparky) [rollins@wfu.edu]   CISSP, GIAC GPEN Hyperbola New My Cats New Kitty New Mike is on   LinkedIn   FaceBook
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Electronics    AC Inverter    Taz (My EV)    Ethernet    PIC Switch       First Prototype       PIC Switch v1          Parts List    LM3524 Motor Control    Microcontroller    PWM and MOSFET    SMP with 317    Power Supply    Function Gen    Simulator: Zener    Charge Controller    IR Audio    PWM with 555    Solar    Entertainment Center    BLDC    GPS & WD-C2401P Jacob's Ladder Scripts Math Notes My House My Cars My Cats New My Jokes Pi Poetry pumpkin Toro Mower Development Speed of a Piston Not a Pipe Linux	Parts List Four Pole Double Through (4PDT) SW2 SW3 SW4 Company Component    Price       Quantity       Total    Newark SPC TECHNOLOGY - SPC21205 - DIP Switch $2.13 3 $6.39 The are only needed to support crossover configuration.   Ceramic Disc Capacitor (0.1uF) C3 C4 C5 C6 C7 C8 C9 C10 C11 C15 C16 C17 C18 C20 C21 C22 C23 C24 C27 C29 C30 C32 C33 C34 C35 C36 C39 C41 C42 C43 C48 C40 C28 C14 Company Component    Price       Quantity       Total    Newark ILLINOIS CAPACITOR - 104GCR050M - Cermic Disc Capacitor $0.154 34 $5.24 Make sure you get the 5mm Leads! Alternate supplier Electronics Goldmine   Ceramic Disc Capacitor (18pF) C1 C2 C12 C13 C25 C26 C37 C38 Company Component    Price       Quantity       Total    Newark MULTICOMP - MC0805N180J500A2.54MM - Multilayer Ceramic Capacitor $0.038 8 $0.30   Aluminum Electrolytic Capacitor (1000uF) C50 C51 C52 C53 Company Component    Price       Quantity       Total    Newark MULTICOMP - MCGPR6.3V108M8X12 - Aluminum Electrolytic Capacitor $0.091 4 $0.36   Aluminum Electrolytic Capacitor (2200uF) C49 Company Component    Price       Quantity       Total    Newark UNITED CHEMI-CON - EKMG250ELL222MK25S - Aluminum Electrolytic Capacitor $0.813 1 $0.81 Maybe get two of them.   10uF Tantalum Capacitor (ESR=2.9 Ohm) C45 C46 C47 Company Component    Price       Quantity       Total    Newark AVX - TAP106K020SRW $0.793 3 $2.38 Microchip: "The capacitor must have low equivalent series resistance (ESR), with a typical value of 10 uF." To get an ESR lower than 1 Ohm, the price jumps to +$5 per cap.   Modular RJ45 Jack J1 J2 J3 Company Component    Price       Quantity       Total    Newark TYCO ELECTRONICS / AMP - 5555166-1 $0.890 3 $2.67   LED Lamp D1 D2 D3 D4 D5 D6 D11 D12 D13 D14 D15 D16 D17 Company Component    Price       Quantity       Total    Newark CML INNOVATIVE TECHNOLOGIES - 4304H1 $0.210 13 $2.73 Forward Current: 10mA; Forward Voltage: 2V; Color: Red   Diode - 1N4007 D7 D8 D9 D10 Company Component    Price       Quantity       Total    Newark VISHAY GENERAL SEMICONDUCTOR - 1N4007-E3/73 - Rectifier $0.042 4 $0.17   PIC18F4620 8-Bit Microcontroller U1 Company Component    Price       Quantity       Total    Newark MICROCHIP - PIC18F4620-I/P $5.21 1 $5.21 You will need a programmer for the chip such as the PICSTART Plus programmer   Socket U1 Company Component    Price       Quantity       Total    Newark MULTICOMP - 2227-40-06-05 - DIP Socket $0.191 1 $0.19 This is necessary because the PIC chip will need to be removed for reprogramming.   Ethernet Controller E1 E2 E3 Company Component    Price       Quantity       Total    Newark MICROCHIP - ENC28J60/SP $3.03 3 $9.09   10MHz Crystal X1 Company Component    Price       Quantity       Total    Newark ABRACON - AB-10.000MHZ-B2 $0.312 1 $0.31 This crystal is rated for 18pF load capacitance. The PIC18F4620 chip supports up to 40MHz. Using the PLL feature of the chip, we have 4*10MHz.   25MHz Crystal X2 X3 X4 Company Component    Price       Quantity       Total    Newark ABRACON - AB-25.000MHZ-B2F $0.276 3 $0.83 This crystal is rated for 18pF load capacitance. The ENC28J60 chip requires a 25MHz clock.   Resistor 2.32k 1% R6 R17 R24 Company Component    Price       Quantity       Total    Newark VISHAY BC COMPONENTS - SFR2500002321FR500 - Metal Film Resistor $0.099 3 $0.30   Resistor 49.9 1% R7 R8 R9 R10 R11 R12 R15 R16 R25 R26 R27 R28 Company Component    Price       Quantity       Total    Newark VISHAY BC COMPONENTS - SFR2500004999FR500 - Metal Film Resistor $0.099 12 $1.19   LAN Isolation Transformer P1 P2 P3 Company Component    Price       Quantity       Total    Electronics Goldmine Pulse Engineering PE-65994 $3.79 3 $11.37 There are many possible options. Some may require slimight modifications to the PCB. MURATA POWER SOLUTIONS - 78615/2C or Digi-Key P/N 553-1444-ND or Digi-Key P/N 811-1262-5-ND   5V Regulator (LM7805) U4 Company Component    Price       Quantity       Total    Electronics Goldmine MC7805CT 5V 1A Positive Voltage Regulator (Motorola) $0.35 1 $0.35   Variable Voltage Regulaor set for 3.3 Volts (LM317) U5 U6 U7 Company Component    Price       Quantity       Total    Electronics Goldmine LM317 3-Terminal 1.5A + Adj. Voltage Regulator (Fairchild) $0.49 3 $1.47   Inverting Octal 3-STATE Bus Driver U2 U3 Company Component    Price       Quantity       Total    Digi-Key 296-14725-5-ND / SN74ALS240AN $0.93 2 $1.86   Capacitor (1nF/2kV) C31 C19 C44 Company Component    Price       Quantity       Total    Digi-Key Digi-Key P/N 490-4253-ND / Murata Electronics DEBF33D102ZC1B $0.19 3 $0.57   Resistor 240 Ohm R2 R33 R31 Company Component    Price       Quantity       Total    Digi-Key Digi-Key P/N 240QBK-ND (RES 240 OHM 1/4W 5% CARBON FILM) $0.064 5 $0.32   Resistor 3.9 Ohm R42 R43 R44 Company Component    Price       Quantity       Total    Digi-Key Digi-Key P/N 3.9QBK-ND / (RES 3.9 OHM 1/4W 5% CARBON FILM) $0.064 5 $0.32   Resistor 390 Ohm R32 R3 R34 Company Component    Price       Quantity       Total    Digi-Key Digi-Key P/N 390QBK-ND / (RES 390 OHM 1/4W 5% CARBON FILM) $0.064 5 $0.32   Resistor 510 Ohm R4 R5 R20 R21 R22 R23 Company Component    Price       Quantity       Total    Digi-Key Digi-Key P/N: 510QBK-ND (RES 510 OHM 1/4W 5% CARBON FILM) 0.06400 10 $0.64   Resistor 1kOhm R35 R36 R37 R38 R39 R40 R41 Company Component    Price       Quantity       Total    Digi-Key Digi-Key P/N 1.0KQBK-ND (RES 1.0K OHM 1/4W 5% CARBON FILM) $0.064 10 $0.64   Resistor 75 Ohm R13 R14 R18 R19 R29 R30 Company Component    Price       Quantity       Total    Digi-Key Digi-Key P/N 75QBK-ND (RES 75 OHM 1/4W 5% CARBON FILM) $0.064 10 $0.64   Resistor 4.7k R1 Company Component    Price       Quantity       Total    Digi-Key Digi-Key Part Numbe 4.7KQBK-ND (RES 4.7K OHM 1/4W 5% CARBON FILM) $0.064 5 $0.32   Ferrite Bead L1 L2 L3 Company Component    Price       Quantity       Total    Digi-Key Digi-Key P/N M8693-ND (FB20009-3B-RC CHOKE WIDE BAND 1.5 TURNS RAD) $0.85 5 $4.25   Reset Switch SW1 Company Component    Price       Quantity       Total    RadioShack SPST 0.5-Amp Momentary Switch (2-Pack) $2.99 1 $2.99   Power Connection J4 Company Component    Price       Quantity       Total    RadioShack 2-Position PC Board Terminals $1.99 1 $1.99   Grand total: 66.22