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Archive for the ‘Logic Shrimp’ Category

Arduino stepper motor driver tutorial

Wednesday, October 16th, 2013

Here’s a tutorial from VK1od.net :  Arduino stepper motor driver with the Logic Shrimp logic analyzer This tutorial shows how to explore an inexpensive stepper motor and driver board using an Arduino and included stepper library. The stepper motor and driver board can be purchased on eBay at very low cost, and is an...

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Posted in Arduino, Logic Shrimp | 1 Comment »

PIC32 8 channel version of the Logic Shrimp

Friday, November 30th, 2012

Marcus is designing an 8 channel version of our Logic Shrimp. It features a PIC32 microcontroller driving overclocked SRAM chips for more then 20 MSamples/s. It's designed to fit a 3cmx3cm PCB rendered above. Get a Logic Shrimp from Seeed for $35. Via the forum.    

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Posted in Logic Shrimp, project logs | 1 Comment »

MSP430 LaunchPad 4 channel logic analyzer update

Thursday, November 1st, 2012

OPossum already designed a MSP430 LaunchPad logic analyzer based on our Logic Shrimp. In the latest update he decided to follow our lead in changing the 4 23K256 SRAM ICs for a single 23LC1024 IC. Preliminary design of a 4 channel version using the new 23LC1024 SPI RAM. Hope to...

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Posted in Logic Shrimp, MSP430 | 1 Comment »

3D Model: Logic Shrimp v2b

Monday, October 15th, 2012

Today's 3D model is the Logic Shrimp v2b. The newer version uses the single 23LC1024 SRAM instead of four 23K256, and the serial data lines (SD0 - SD3) are now bi-directional. The Logic Shrimp is a 4 channel, medium speed, low cost logic analyzer with 256K samples and 20MHz top...

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Posted in 3D Model, Logic Shrimp | 4 Comments »

MSP430 Launchpad Logic Analyzer based on the Logic Shrimp

Thursday, July 5th, 2012

oPossum built a 6 channel logic analyzer booster pack for the MSP430 Launchpad. His design is inspired by the Logic Shrimp and used SPI serial interface RAM chips to store samples. The MSP430 software is SUMP compatible and works with Jawi's OLS client. This is a logic analyzer add-on for...

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Posted in Logic Shrimp, MSP430 | No Comments »

Logic Shrimp logic analyzer back in stock

Thursday, April 12th, 2012

Logic Shrimp is back in stock at Seeed Studio. You can get an assembled Logic Shrimp for $34.90.

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Posted in Logic Shrimp | No Comments »

Another Logic Shrimp free PCB build

Wednesday, June 22nd, 2011

schazamp built a free Logic Shrimp PCB. If you build a free PCB we’ll send you another one! Blog about it, post a picture on Flicker, whatever – we’ll send you a coupon code for the free PCB drawer. You can get an assembled Logic Shrimp for $34.90.

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Posted in builds, Logic Shrimp | No Comments »

Logic Shrimp free PCB build

Tuesday, June 21st, 2011

Segfault built a free Logic Shrimp PCB. If you build a free PCB we’ll send you another one! Blog about it, post a picture on Flicker, whatever – we’ll send you a coupon code for the free PCB drawer. You can get an assembled Logic Shrimp for $34.90.

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Posted in builds, Logic Shrimp | No Comments »

Logic Shrimp free PCB build

Friday, June 17th, 2011

Kenneth built a free Logic Shrimp PCB. If you build a free PCB we’ll send you another one! Blog about it, post a picture on Flicker, whatever – we’ll send you a coupon code for the free PCB drawer. You can get an assembled Logic Shrimp for $34.90.

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Posted in builds, Logic Shrimp | No Comments »

Logic Shrimp release package v2.0

Thursday, May 19th, 2011

Over the last few weeks we did a massive cleanup and reorganization of our SVN code repository. Most projects now follow a standard directory structure. All our in-progress and stalled project files are now completely open and available to anyone. We also included all the manufacturing resources used to initiate...

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Posted in Logic Shrimp, releases | No Comments »

NEW PROTOTYPE: Logic Shrimp logic analyzer

Wednesday, April 6th, 2011

The Logic Shrimp is a medium speed, low-cost logic analyzer with a USB interface. It can capture up to 256K samples at 20MHz, and is compatible with the open source SUMP logic analyzer client. The 23K256 serial SRAM from Microchip makes this project possible. Each chip stores up to 256K...

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Posted in logic analyzer, Logic Shrimp, Prototypes | 3 Comments »

Recent Comments

  • Bob: Free PCB for me!
  • Drone: Nice - but I'm most interested in the enclosure with the finger-leaf cover. Where did that come from? How to buy more?
  • Dave B: Got two of them. If you let the battery run flat, they don't charge! You have to pull the battery, and get enough charge in...
  • Bill F: My turn?
  • Chris: Ok!