Category Archives: Hardware

ATTiny85 PWM from Timer/Counter1

  I’ve been tinkering with the ATTiny chip a bit lately, and I wanted to hook up of my stepper motors to it. This chip has 2 timers, and a few pins that can output PWM signals. I had OC1B … Continue reading

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Small Run Fab Services

For quite a while I’ve been just using protoboards, or trying toner transfer to make pcbs, with limited success. A hackaday article (Why are you still making PCB’s?) turned me on to low cost, prototyping pcb runs. Cutting my own … Continue reading

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SVG Hardware Drawer Labels

I recently made a set of SVG labels for my hardware small parts bin in Inkscape for the common Akro-Mills 10164 small parts organizer. Its sized to print the labels the correct size on a 11″x8.5″ sheet of paper (results … Continue reading

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Saleae Logic 8 Review

Over the break, I got to play a bit with the Saleae Logic 8 logic analyzer. Its the mid-range model from Saleae, and it works with Ubuntu. I wrote about the predecessor to the Logic 8 a while back, before … Continue reading

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Mir Device Showcase!

Here’s a video of Mir powering a few different GPUs: Nexus 10 (ARM Mali T-604 GPU) Nexus 4 (Qualcomm Adreno 320 GPU) Nexus 7 (2012) (Nvidia Tegra 3) Galaxy Nexus (PowerVR) This is a pretty big milestone, as we’re now … Continue reading

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Why we Make

This is a great talk about the fundamentally human aspect of making. Our race’s advantage in the universe isn’t the sharpest claws or thickest skin, its the ability to make, bend, and discover. This video is an cool little anecdote … Continue reading

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Legos and Turing machines

Jeroen and Davy over at legoturingmachine made a pretty cool little turing machine to honor Turing‘s centennial birthday. I thought I’d repost! Check out the video: LEGO Turing Machine from ecalpemos on Vimeo. Pretty cool way to honor the theoretical … Continue reading

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Android ARM inline assembly

If you happen to want to write some inline assembly in Android, its just about as easy as you’d expect! See the code snippet below for a simple example of how to add two numbers in assembly on ARM. Download … Continue reading

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Installing the blob on your Pandaboard for Android

The Pandaboard by Texas Instruments is a pretty good, mostly open source little development board with one teensy problem…. the blobbbbbbbbb (illustrated by Hermes Conrad to the left…) If you’ve followed this blog post from last week, you have an … Continue reading

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Building Linaro Android (12.04 or daily) for Pandaboard

I recently came into possession of a TI pandaboard for ARM development. Its a pretty cool little package, but if you want to build from source, you run into all sorts of old outdated wiki’s from Linaro that have you … Continue reading

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