[AD 15][4层] 28个步进电机控制板（74H595）PCB源文件

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作品名：[AD 15][4层] 28个步进电机控制板（74H595）PCB源文件

( \) q# b9 [) H+ t$ A  O5 c" f文件描述
, F" w/ Y+ v# t* j  H; `3 L1. 作品用途：28个步进电机控制板
& D: w1 w! O1 E* l! `# P2. 软件版本：AD 15
3. 层数：4层板
( K7 @6 t+ _5 v9 j  a4 j4 o8 C4. 用到的主要芯片：74H595
* {& k" T# t2 z' e3 s! J3 j+ r5. PCB尺寸：257mm*137mm

作品截图如下：
" q. x2 }' g2 o0 t( a# x8 |顶层截图：

底层截图：
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; Q* D* f) A, i+ [1 V. J全层截图：

0 J, ?3 @, E* z& i叠层信息截图如下：

& \  S2 y2 N" x9 Q; XBOM：
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Comment（属性）	Designator（位号）	Footprint（封装）	Quantity（数量）
DS1302		DIP8	1
STC15W408AD_SOP20_DIP20_LSSOP20	12	DIP20	1
Header 7	12864	HDR1X7	1
Battery	BT1	BT2032	1
Cap	C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19, C20, C21, C22, C23, C24, C25, C26, C27, C28, C29, C30, C31, C32, C33, C34, C35, C36, C37, C38, C39, C40, C41, C42, C43, C44, C45, C46, C47, C48, C49, C50, C51, C52, C53, C54, C55, C56, C57, C58, C59, C60, C61, C62, C63, C64, C65, C66, C67, C68, C69, C70, C71, C72	CC2012-0805	72
LED3	CDS1, CDS2	SMD _LED	2
Res3	CR1	CR2012-0805	1
Res3	CR2, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, R28, R29, R30, R31, R32, R33, R34, R35, R36, R37, R38, R39, R40, R41, R42, R43, R44, R45, R46, R47, R48, R49, R50, R51, R52, R53, R54, R55, R56	CC2012-0805	57
LED0	DS1, DS2, DS3, DS4, DS5, DS6, DS7, DS8, DS9, DS10, DS11, DS12, DS13, DS14, DS15, DS16, DS17, DS18, DS19, DS20, DS21, DS22, DS23, DS24, DS25, DS26, DS27, DS28, DS29, DS30, DS31, DS32, DS33, DS34, DS35, DS36, DS37, DS38, DS39, DS40, DS41, DS42, DS43, DS44, DS45, DS46, DS47, DS48, DS49, DS50, DS51, DS52, DS53, DS54, DS55, DS56	SMD _LED	56
Header 4	P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15, P16, P17, P18, P19, P20, P21, P22, P23, P24, P25, P26, P27, P28	H1.25 4P	28
Header 2	Power	5.08mm 4p	1
L9110S	S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14, S15, S16, S17, S18, S19, S20, S21, S22, S23, S24, S25, S26, S27, S28, S29, S30, S31, S32, S33, S34, S35, S36, S37, S38, S39, S40, S41, S42, S43, S44, S45, S46, S47, S48, S49, S50, S51, S52, S53, S54, S55, S56	SOP8	56
SW-PB	Sw1, Sw2, Sw3, Sw4	SW4	4
74H595	U1, U2, U3, U4, U5, U6, U7, U8, U9, U10, U11, U12, U13, U14	SOP16	14
XTAL	Y1	BCY-W2/D3.1	1

附件：
PCB源文件如下：
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