Author Archives: George

Electronics Humor 2 (April Fools Day 2017)

One of the early Hadley Research posts was a collection of ECE and hobbyist electronics wordplay for April Fools Day last year. All of the puns in that list were formulated over the course of the week prior to posting.┬áThat … Continue reading

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Tutorial: Getting Started with the Microchip RN4020

Introduction: Bluetooth Low Energy, also known as BLE or Bluetooth Smart, is a low energy wireless communication protocol suitable for use in embedded systems. Available as of Bluetooth 4.1, BLE is available on nearly all modern mobile devices and is … Continue reading

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Hadley Research Eagle Library Now Available

Many of the projects at Hadley Research are open source or feature open source influences, and most of the projects undertaken here would not be possible without the assistance and goodwill of the online hobbyist electronics community. It is with … Continue reading

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Closeup Soldering w/ Demux4555

Ahhhh, soldering. No matter how many times you solder by hand, there’s something oddly satisfying about watching flux activate and watching the wire of solder reach its eutectic point, suddenly turning liquid. YouTube user demux thinks so, and has put … Continue reading

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Electronics Humor (April Fools Day 2016)

Happy April Fools Day, everyone! Have some electronics humor:

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The “Free Devboard” Trap

Introduction: Of the various sites the electronics hobbyist should consider for their RSS reader, Hackaday is decidedly one of them. Last month, they announced the arrival of Microchip’s MPLAB Express Board and IDE. It’s a simple little board centered around … Continue reading

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Useful Web Resources for Embedded Hardware

Introduction: I’ve had the opportunity to design and build a number of different circuit boards and embedded designs. The hardware design-build process involves many steps, including parts selection, acquisition, PCB design, ordering, and assembly. Every once in awhile a useful … Continue reading

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devttys0 and the Analog Zoo

Oscillators are a critical piece of many electronic circuits, producing clean periodic clock signals to drive microcontrollers, as timing references in analog and RF circuits, and elsewhere. As ubiquitous as they are, however, they remain a niche topic, with minimal … Continue reading

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Short Circuits: Freewire Soldering Techniques

Every once in awhile, the electronics hobbyist encounters the issue of soldering free wires (that is, joining 2 wires together using solder). I find this task mildly annoying on the occasions when it comes up. Last time I came across … Continue reading

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Projects of the Past – RGBSaber

Introduction Every electronics hobbyist has that project, that first project which they obsess over, which they pour their time and money and sanity into, which they get burned on and make their mistakes on and go on to be learned … Continue reading

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