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STD EasyDriver - Stepper Motor Driver (Open hardware)

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Update time: 2021-04-09 16:32:49
Creation time: 2015-10-17 08:03:50
Description
Description: The EasyDriver is a simple to use stepper motor driver, compatible with anything that can output a digital 0 to 5V pulse (or 0 to 3.3V pulse if you solder SJ2 closed on the EasyDriver). The EasyDriver requires a 6V to 30V supply to power the motor and can power any voltage of stepper motor. The EasyDriver has an on board voltage regulator for the digital interface that can be set to 5V or 3.3V. Connect a 4-wire stepper motor and a microcontroller and you’ve got precision motor control! EasyDriver drives bi-polar motors, and motors wired as bi-polar. I.e. 4,6, or 8 wire stepper motors. This EasyDriver V4.5 has been co-designed with Brian Schmalz. It provides much more flexibility and control over your stepper motor, when compared to older versions. The microstep select (MS1 and MS2) pins of the A3967 are broken out allowing adjustments to the microstepping resolution. The sleep and enable pins are also broken out for further control. Note: Do not connect or disconnect a motor while the driver is energized. This will cause permanent damage to the A3967 IC. Features: A3967 Microstepping Driver MS1 and MS2 pins broken out to change microstepping resolution to full, half, quarter and eighth steps (defaults to eighth) Compatible with 4, 6, and 8 wire stepper motors of any voltage Adjustable current control from 150mA/phase to 700mA/phase Power supply range from 6V to 30V. The higher the voltage, the higher the torque at high speeds Sparkfun link:[https://www.sparkfun.com/products/12779][1] [1]: https://www.sparkfun.com/products/12779
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ID Name Designator Footprint Quantity
1 A3967SLB IC1 SO24W 1
2 .75 R1,R2 0805 2
3 20K R4,R3 0603-RES 2
4 1uf C2 0603-CAP 1
5 47uF C3 PANASONIC_D 1
6 2.49K R5 0603-RES 1
7 390 R6 0603-RES 1
8 240 R8 0603-RES 1
9 YELLOW PWR_LED LED-0603 1
10 1K R9,R18,R19 0603-RES 3
11 10K R11,R12,R13,R14,R15,R10,R20,R21 0603-RES 8
12 680pF C4,C5 0603-CAP 2
13 .1uF C1 0603-CAP 1
14 V_REG_317 IC2 SOT223 1
15 SOLDERJUMPER SJ1 SJ_2S-TRACE 1
16 SOLDERJUMPER SJ2 SJ_2S-NO 1
17 330 R7 0603-RES 1
18 10K R16 TRIMPOT-3MM-2 1
19 LOGO-SFE U$2 SFE-NEW-WEBLOGO 1
20 6.8K R17 0603-RES 1
21 STAND-OFF JP8,JP9 STAND-OFF 2
22 M02 JP5,JP6,JP7,JP1,JP4 1X02_NO_SILK 5
23 M03 JP2 1X03_NO_SILK 1
24 M04 JP3 1X04_NO_SILK 1
25 OSHW-LOGO LOGO1 OSHW-LOGO-S 1
26 TEST-POINT TP1 TP_15TH 1
27 FRAME-LETTER FRAME2 CREATIVE_COMMONS 1
28 FIDUCIAL FID1,FID2 FIDUCIAL-1X2 2

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