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2.The process supports design scales of 300 devices or 1000 pads

3.Supports simple circuit simulation

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1.Brand new interactions and interfaces

2.Smooth support for design sizes of over 5,000 devices or 10,000 pads

3.More rigorous design constraints, more standardized processes

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STD PC LPT controlled 8 O/P - 4 I/P

License: GPL 3.0

Mode: Editors' pick

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Update time: 2020-04-22 07:33:14
Creation time: 2016-02-04 07:35:42
Description
8 relays and 4 inputs controlled by PC LPT. The PC software CCPcom v4 can be found in ccpnet.wordpress.com KIT010
Design Drawing
schematic diagram
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PCB
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ID Name Designator Footprint Quantity
1 LED D12,D7,D8,D9,D10,D11,D15,D16 LED3MM 8
2 SIP3 P1,P3,P4,P5,P6,P7,P8,P2 HDR1X3 8
3 RELAY-28VDC/10A U1,U2,U3,U4,U5,U6,U7,U8 RELAY-G5V 8
4 1N914 D1,D2,D3,D4,D5,D6,D13,D14 DO35-7 8
5 330 R1,R2,R3,R4,R5,R6,R7,R8 R3 8
6 ULN2803DIP ULN28031 DIP18 1
7 DM74LS244N U9 DIP20 1
8 DB25 J1 DB25F-90 1
9 SIP2 P9,P10,P11,P12 HDR1X2 4
10 10k R9,R10,R11,R12 R3 4
11 LM7805CT U10 NONE 1
12 12VDC P13 HDR1X2 1
13 1u C1,C2 C1 2

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