Recent posts

Digitally controlled bench PSU project update

Yet another update on Bertho’s digitally controlled bench PSU project we covered previously: Did some test-bed assembling today and did a dry-test of the power board. The good news… the power board did not blow up ;-) The aux PSU for...
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GrrCON 2014: Home grown Linux

In this presentation from GrrCON 2014, author Dr. Phil Polstra discusses how to develop your own Linux distro. Phil has assembled his distro known as The Deck which is useful on the Beagleboard and Beaglebone Black boards. Read more

App note: Power-supply solutions for Xilinx FPGAs

MAXIM’s power solution for Xilinx’ FPGAs. App note here (PDF!) Field-programmable gate arrays (FPGAs) are used in a wide variety of applications and end markets, including digital signal processing, medical imaging, and...
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Free PCB Sunday: Pick your PCB

We go through a lot of prototype PCBs, and end up with lots of extras that we’ll never use. Every Sunday we give away a few PCBs from one of our past or future projects, or a related prototype. Our PCBs are made through Seeed Studio’s Fusion...
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App note: Power supplies begin the circuit foundation, taming switching power-supply layout

A power supply design app note from MAXIM. This article outlines power, ground PCB, and system layout hints and kinks. It includes an overview of using power, ground star points, and multifrequency power decoupling. It also shows how to control...
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App note: Gamma-photon radiation detector

An app note on Gamma-photon radiation detector (PDF!) by Maxim: A PIN photodiode, four low-noise op amps and a comparator are used to detect individual photons of gamma radiation. The schematic, design considerations and component selection...
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App note: High speed amplifier techniques

An old but interesting app note (PDF!) from Linear on high speed amplifier techniques: Most monolithic amplifiers have been relatively slow devices. Wideband operation has been the province o discrete and hybrid technologies. Some fast...
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Bus Pirate smart card shield

Bus Pirate smart card shield by Yaehob: Tired of playing with wires, breadboard and so on to interface synchronous smart cards with bus pirate, I made a kind of shield. Thank you Arduino for teaching me this way of thinking :-) Bill of materials...
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Free PCB coupon via Facebook to 2 random commenters

Every Friday we give away some extra PCBs via Facebook. This post was announced on Facebook, and on Monday we’ll send coupon codes to two random commenters. More PCBs via Twitter on Tuesday and the blog every Sunday. Don’t forget...
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Week in (p)review October 17, 2014

Here’s a summary of major developments over the last week. Free PCB Friday is coming up soon. Hacker Camp Shenzhen volume 3: Reflow open for registration DIRTY TUESDAY: Chinese Shipping Apocalypse Hackers in Shenzhen: Trev from UK Bus Pirate v4...
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