tkousar / Stepper Motor Driver

Project Information

Description
Stepper motor driver compatible with anything that can output a digital 0 to 5v pulse. Schematic : http://www.sparkfun.com/datasheets/Robotics/EasyDriver_v43.pdf
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Schematic and PCB Layout

Bill of Materials

Reference
Description
Manufacturer
Part Number
Package
Verified
Actual Part
Qty
Unit Cost
Order Qty
Total Cost
U44 LM317 / LM317T National Semiconductor LM317 No Digi-key Number 1 ?? 0 0
U17 5 kΩ Potentiometer Bourns 3386F-1-502LF 3386F-502LF-ND 1 1.6 1 1.6
R11, R12, R13, R14, R15, R27, R28, R29, R30, R31, R53 RES 10K OHM 1/4W 5% CARBON FILM Yageo CFR-25JB-10K No Digi-key Number 11 ?? 0 0
U1 A3967SLB Allegro A3967SLB SOIC-24 No Digi-key Number 1 ?? 0 0
C25, C26 0.68 nF C Murata Electronics North America RPER72A681K2P1B03B No Digi-key Number 2 ?? 0 0
R4 Carbon Composition Resistor 330 Ohm 0.25W Thru Hole Ohmite OD331JE OD331JE-ND 1 0.7 1 0.7
U46, U47 Generic PCB Trace Jumper Generic PCB Trace Jumper No Digi-key Number 2 ?? 0 0
D1 LED Yellow 0805 Dialight 598-8140-107F 0805 350-2041-2-ND 1 0.45 1 0.45
U3, U4, U5, U6, U7 2-Pin Header GC Electronics 22-23-2021 No Digi-key Number 5 ?? 0 0
C43 0.10 uF C 100V AVX CK06BX104K 1010-1204-MIL 1 0.74 1 0.74
U41 1 PIN HEADER GENERIC 1 PIN HEADER No Digi-key Number 1 ?? 0 0
U10 3 Pin Header Tyco Electronics 640454-3 No Digi-key Number 1 ?? 0 0
U8 4 Pin Header Generic N/A Through-hole No Digi-key Number 1 ?? 0 0
C42 Cap Elect Alum 25V 100uF 20%leaded Xicon 140-XRL25V100 No Digi-key Number 1 ?? 0 0
R3 390 Ω Resistor Ohmite OD391JE OD391JE-ND 1 0 1 0.0
R5 240 ohm res Tai Tech 240 ohm res No Digi-key Number 1 ?? 0 0
R1 20 k ohm res Tai Tech 20 k ohm res No Digi-key Number 1 ?? 0 0
R2 750 ohm res Tai Tech 750 ohm res No Digi-key Number 1 ?? 0 0
C1 1 uF Capacitor Electrolytic Multicomp NP16V105M5X11 No Digi-key Number 1 ?? 0 0

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