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App note: Avoid PCB layout “gotchas” in ISM-RF products

Sunday, June 9th, 2013

Here is a tutorial from Maxim giving some hint on how to avoid pitfalls in high frequency PCB layouts. RF products for industrial, scientific, and medical systems (ISM-RF) often feature very compact circuitry. To avoid common design pitfalls and "traps," the PC-board (PCB) layouts for these applications warrant careful attention....

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Workshop Update for April 15th, 2013

Monday, April 15th, 2013

Made an initial Eagle ULP to produce a crude .cfg configuration file for gerbmerge to process gerber panelization. We continue working on the Bus Pirate Edu Kit documentation.  

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3D Model: Bus Pirate and breadboard holder 2

Monday, December 24th, 2012

Today’s model is the second iteration of the Bus Pirate and breadboard holder we designed for a kit we are prototyping. It this version the Bus Pirate is interfaced with a TO220-5 packaged IC. The holder board was designed in Sketchup and the design SVG files were sent for laser...

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Posted in 3D Model, Bus Pirate | 8 Comments »

3D Model: Bus Pirate and breadboard holder

Monday, December 17th, 2012

Today's model is a Bus Pirate and breadboard holder we designed for a kit we are prototyping. The holder board was designed in Sketchup and the design SVG files were sent for laser cutting. Free PCB to the first one to guess what IC is in the breadboard. Check out...

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Posted in 3D Model | 10 Comments »

Workshop Update for December 14th, 2012

Friday, December 14th, 2012

Today we did our end-of-year administrative stuff. We also searched and wrote up the app note posts for this weekend. On the hardware side we started designing a simple fused fixed voltage breadboard power supply image by Ken Teegardin: CC BY-SA 2.0.

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Posted in Workshop Update | 3 Comments »

3D Model: FT230X Breakout Board with prototyping area

Monday, October 29th, 2012

Today's 3D model is the FT230X USB-to-UART IC Breakout board with a prototyping area. It also features a LTC4053 Li-Ion battery charging IC giving you the option to add this to your prototype. Some errors creeped up on the PCB design which were caught today. Namely the LTC4053 pads are...

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Posted in 3D Model | 9 Comments »

Workshop Update for October 18th, 2012

Thursday, October 18th, 2012

Today we concentrated on getting the Workshop Video out. Got two nifty tubes of scratch and dent chips from Microchip. Bus Blaster v3, and v4 finished validation and are going to manufacturing. We continue working on the TFT carrier board, with a preliminary schematic pictured above. This one features a...

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Workshop Update for October 17th, 2012

Wednesday, October 17th, 2012

Wish we had some exciting news, but today we're just jugging wholesale, emails, and whatnot. We did get a chance to update the Soldering Iron Driver documentation for an upcoming start of PCB sales at Seeed for $7. In that respect, we also started a 3D model of the same...

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Posted in Workshop Update | 2 Comments »

3D Model: VFD tube board

Monday, October 8th, 2012

Today's 3D model is the VFD tube boards. It consists of 3 boards, one has the VFDs soldered onto it, one holds their tips in place, and one is responsible for driving and controlling the displays. This model is huge, taking up 35MB uncompressed, even zipped up it's 11MB. We...

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3D Model: Smoke Tester v1

Monday, October 1st, 2012

The Smoke Tester we previewed a fortnight ago is the latest 3D Model to be added to our library. It’s a board designed to safely power prototypes for the first time and see if there are shorts. Current can be measured using a voltmeter. The models will be published in...

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Posted in 3D Model | 6 Comments »

3D Model: Bus Pirate v4c AKA the Sick of Beige version

Monday, September 24th, 2012

Today’s 3D model is the Bus Pirate v4c, also know as the Sick of Beige compatible version. The Bus Pirate is an open source hacker multi-tool that talks to electronic stuff. Check out out Sick of Beige customization tutorial explaining how to fit your project into our Sick of Beige cases....

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Posted in 3D Model, BP v4, Bus Pirate | No Comments »

3D Model: Bus Blaster v3 in a Sick of Beige v1 case

Monday, September 17th, 2012

Today's 3D model is the Bus Blaster v3c in our  Sick of Beige v1 enclosure. The Bus Blaster is a high-speed JTAG debugger for ARM processors, FPGAs, CPLDs, flash, and more. The v3 is a PCB, and part placement change only. The electrical connections are identical to the Bus Blaster...

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Posted in 3D Model, Bus Blaster | 1 Comment »

3D model: Sick of Beige v1 template design

Monday, September 10th, 2012

Sick of Beige v1 DP5031 cases are done, so we needed a generic image for the sales page. Today's rendering is an image of a DP9056 standard size to use at Seeed. The basic case is simple, cheap, easy to assemble, and fits our Sick of Beige standard PCB sizes. Check...

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Posted in 3D Model, Sick of Beige | No Comments »

3D Model: 1.8” TFT Backpack

Monday, September 3rd, 2012

Today's 3D model is a 1.8'' TFT Backpack board we've been playing with lately in the workshop. It's a cheap 1.8'' serial TFT we got of of eBay. The picture was rendered using Kerkythea, sorry about the light-umbrella reflection on the screen. The board features a PIC microcontroller that controls...

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Posted in 3D Model | 7 Comments »

3D Model: FT311D Breakout Board

Monday, August 20th, 2012

Today's 3D model is the latest board from our shop, the FT311D Android Open Accessory IC Breakout Board. It's designed on our DP6037 standard sized board, for compstibility with out  Sick of Beige cases. Check out out Sick of Beige customization tutorial explaining how to fit your project into our Sick of Beige cases....

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Posted in 3D Model | 1 Comment »

3D Model: ATX Breakout Board v1.1 Sick of Beige case

Monday, August 13th, 2012

Today's 3D model is the Sick of Beige case for the ATX Breakout Board v1.1. This board recycles an old computer PSU into a handy bench tool with 3.3/5/12/-12 volt supplies. The case uses  8x8mm standoffs and some bolts to hold together the 2 laser cut acrylic sheets. Expect it...

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Posted in 3D Model, cases, Sick of Beige | 3 Comments »

3D Model: Sick of Beige v2 case

Monday, August 6th, 2012

Today's 3D model is the Sick of Beige v2 case for the Bus Pirate v3.6. It features laser cut acrylic rings instead of standoffs. This design has a dual benefit of being more compact, and providing side protection that SoB v1 lacked. Check out out Sick of Beige customization tutorial explaining...

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Posted in 3D Model | 5 Comments »

3D Model: Bus Blaster v3c

Monday, July 23rd, 2012

Our latest 3D model is the Bus Blaster v3c  high-speed JTAG debugger for ARM processors, FPGAs, CPLDs, flash, and more. The v3 is a PCB, and part placement change only. The electrical connections are identical to the Bus Blaster v2. Get a Bus Blaster v2 for $34.95. In version 3...

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Posted in 3D Model, Bus Blaster | 3 Comments »

3D Model: Bus Pirate LCD adapter v3a

Monday, July 16th, 2012

Today's 3D model is a small revision of the Bus Pirate LCD adapter v3. We added an optional 2x8 HD44780 header footprint to the board, as per EEVblog's suggestion. Check out our tutorial on how to build 3D models from Cadsoft Eagle board files, as well as the tutorial on...

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Posted in 3D Model, Bus Pirate | 1 Comment »

3D Model: FT2232H Breakout Board v1a

Monday, July 9th, 2012

Today's 3D model is the FT2232H Breakout Board v1a. This is a breakout with a FT2232H high-speed dual-channel USB-to-serial chip that has two JTAG debug channels. Get one for $27. Check out our tutorial on how to build 3D models from Cadsoft Eagle board files, as well as the tutorial...

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Posted in 3D Model | 2 Comments »

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Recent Comments

  • Geert Jordaens: I'm not sure what kind of licensing I have to add since it is a fairly straight forward implementation of the adaptive Huffman Decoding. For...
  • erich: For anyone interested, I've added some c++ code for adaptive huffman decoding in the git repository.
  • Sjaak: I would add some more protection in the used trigger file (on the serverpilot site) then not using a standard name :) hopefully they use...
  • Pete Castagna: My friend Charlie who worked in synthesizers at a DOD type of place made a modification to this avalanche pulse generator that allowed him to...
  • Sam Catchpole: Yes please :D