Thursday, October 22, 2015

Modifying YDS-812 buck converters

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These buck converters are great; readily available on Ebay for about $4 a pop. Wins: Well heatsinked, well made Synchronous   for hig...
Saturday, January 3, 2015

How to fix Crucial V4 SSD I/O errors

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I use a 32GB Crucial V4 SSD for the OS drive of my home theater PC; it's not a great drive but it works.. well, up until today, when an ...
Monday, July 7, 2014

Powering a lot of WS2812B LEDs from a 12V car battery - try this!

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Ok so let's say you need to power a shit-load of WS2812B LED strips from e.g. a car battery. You need to convert ~12v to 5v and you nee...
Tuesday, October 8, 2013

Wireless router dropping connection under load - dmesg shows "ath: phy0: Failed to stop TX DMA, queues=0x004!"

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Symptom: Atheros-chipset based router, specifically: Router Model Buffalo WZR-HP-G300NH Firmware Version DD-WRT v24-sp2 (05/27/13) s...
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Friday, February 8, 2013

Djangoh-my-goodness

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Django is good, now I go kick the tires a bit... Django-cms is absurdly good Give this guy half an hour to explain why; he sold me.  S...
Tuesday, January 22, 2013

Sensor chip w/Active low pin 2 = *NUKE

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Maxwell Technologies’ HSN-1000 radiation-hardened Hybrid Nuclear Event Detecto Kyle : wtf do you use that chip for? Kyle : bomb warning ...
Tuesday, November 20, 2012

Snoop NFC RFID card with RTL-SDR dongle

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It's been a big year for radio fun! Playing with NFC / RFID tags recently it occurred to me that the RTL-SDR dongles could potentially ...
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