Lobster:Logic Shrimp v2

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Lobster:Logic Shrimp v2
Codename Lobster
Status [[Project status#|]]
Development [ development forum]
ID # {{{id}}}

Contents

Prototypes

File:LSv2 proto3.jpg

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Resources

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Logic Shrimp v2b is an evolution of the Version 1. The circuit uses a single 23LC1024 SRAM instead of 4 x 23K256, it *Serial data lines (SD0 - SD3) are now bi-directional.

Latest Schematic

LSv2 SCH3.png

Click for a full size schematic image. Schematic and PCB were designed with the freeware version of Cadsoft Eagle

Early Schematic

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Latest PCB

LSv2 PCB3.png

Early PCB

LSv2 PCB2.png 250px

Partlist

LSv2 PCB partlist.png

Logic Shrimp v2b partlist
PartQuantityValuePackage
C1,C3,C4,C5,C950.1uFC0603
C1011uFC0603
C11,C12210uFSMC_A
EXT_CLK1pinheader1X01
IC51PIC18F24J50SSOP28
IC6174LVC1G125SOT-23-5
IC7174AC573SOIC-20
IC8123LC1024SOIC-8
ICSP1pinheader1X05
INPUT,OUTPUT2pinheader1X05-S
LED11LEDLED-805
LED21LEDLED-805


Q2120MhzOSCILLATOR_7X5_SMD
R1,R221.1KR0603
R3,R4210KR0603
R511MR0603


USB1USBSMDUSB-MINIB
VR11Vreg 3.3VSOT23-5


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The latest sources and distributors are in the master partlist. See something missing? Please let us know.