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Articles from Dan Strother

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Open-source FPGA Stereo Vision Core released

From danstrother.com 10 years ago in Blogs

The first version of my open-source OpenCV–compatible FPGA Stereo Correspondence Core is now available! (have a look at my previous FPGA Stereo Vision Project post for some more context) It’s written purely in synthesizable Verilog, and uses device-agnostic inference for...

FPGA Stereo Vision Project

From danstrother.com 10 years ago in Blogs

As alluded to in a few of my other posts, I’m working on developing an open-source FPGA-accelerated vision platform. This post is a detailed overview of the project’s architecture and general development methodology. Future (and past) posts will elaborate on...

Spartan-6 BGA test board

From danstrother.com 10 years ago in Blogs

Eventually, when my FPGA stereo-vision project nears its terminus, I’m going to want to produce a refined sensor board that combines the image sensors and FPGA onto a single board. In preparation for that, this board is a test vehicle...

Reflow oven controller

From danstrother.com 10 years ago in Blogs

Reflow soldering is not new. The electronics industry has been using it forever. Hobbyists have been flocking to it in droves. Many use toaster ovens. A growing contingent use skillets. A few do it open-loop. Some use integrated PID controllers....

MT9V032 LVDS camera board

From danstrother.com 10 years ago in Blogs

Another piece of my ongoing FPGA stereo-vision project. This board is, as the name suggests, a breakout board for Aptina’s excellent MT9V032 1/3″ VGA image sensor. The board’s main purpose in life is to connect the LVDS output of the...

Brushless DC motor controller board

From danstrother.com 10 years ago in Blogs

Here’s a board I designed back in 2008. It’s an excessively feature-packed brushless DC motor (BLDC) controller. Bullet points: Can drive brushed and brushless (3-phase) DC motors 15~30V input voltage Single-supply operation (onboard LT3470 SMPS) 10+A per-phase current handling (Si4456DY...

FMC-LPC to SATA adapter board

From danstrother.com 10 years ago in Blogs

I recently bought a shiny new Xilinx Spartan-6 FPGA SP605 Evaluation Kit: It’s an excellent board (aside from the ridiculous ~10W idle power consumption and the corresponding supply heating/temperature) – PCI-Express, gigabit ethernet, DVI, 1.6 GB/s 128 MB DDR3, and...

Inferring true dual-port, dual-clock RAMs in Xilinx and Altera FPGAs

From danstrother.com 11 years ago in Blogs

Yes, it’s actually possible! – in Verilog and VHDL, even. I’m a big fan of inference, especially as it applies to writing synthesizable Verilog code for FPGAs. Properly coded, a module that infers technology-dependent blocks (e.g. block RAMs) should: be...

Launch

From danstrother.com 11 years ago in Blogs

It has now been just over 6 years since I launched the last incarnation of my website. Finally, it has now been supplanted by this – a site that can safely be regarded as superior in virtually every way (if...

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