DIY I2C Tester
[Dilshan] built a dedicated I2C tester which allows for I2C bus control over USB using simple commands such as init, read, write, etc. The Linux kernel has had I2C driver …read more Continue reading DIY I2C Tester
Category Archives: i2c
Building a Pocket Sized Python Playground
Like many of us, [Ramin Assadollahi] has a certain fondness for the computers of yesteryear. Finding his itch for nearly instant boot times and bare metal programming weren’t being adequately scratched by any of his modern devices, he decided to build the PortablePy: a pocket-sized device that can drop him …read more
An Arduino And A CD-ROM Drive Makes A CD Player
In an age of streaming media it’s easy to forget the audio CD, but they still remain as a physical format from the days when the “Play” button was not yet the “Pay” button. A CD player may no longer be the prized possession it once was, but it’s still …read more
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Big Time Character LCD Clock
While the SSD1306 OLED has somewhat become the go-to display for up-to-date projects, the good old character displays with their Hitachi HD44780 controller don’t seem to be disappearing just yet either. And why would they, especially if you want to show just text, having a built-in font has certainly its …read more
PinePhone Gets 3D Printed Mechanical Keyboard
Do you remember when smartphones had real physical keyboards? Working the command line on some remote machine over SSH was a breeze, and you could even knock out a few lines of code if you were so inclined. But these days you’ve either got to lug around an external keyboard, …read more
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Six New HackadayU Courses Announced for Fall 2020
The fall lineup of HackadayU courses was just announced, get your tickets now!
Each course is led by expert instructors who have refined their topics into a set of four live, interactive classes plus one Q&A session we like to call Office Hours. Topics range from leveling up your Linux …read more
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Joy-Con Mod Gives Nintendo Switch Touchpad Control
While Valve’s Steam Controller ultimately ended up being a commercial flop, most users agreed its use of touch-sensitive pads in place of traditional analog joysticks or digital directional buttons was at least a concept worth exploring. Those same touchpad aficionados will likely be very interested in this modification by [Matteo …read more
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Reverse Engineering a Saab’s In-Dash Display
For [Leigh Oliver], there’s something undeniably appealing about the green on black instrumentation of the 2003 Saab 9-3 Gen2. Perhaps it’s because the Infotainment Control Module 2 (ICM2) screen brings a bit of that classic Matrix vibe to the daily commute. Whatever the reason, it seemed the display deserved better …read more
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DJ Hero Controller Gets a New Gig
Fans of the Guitar Hero etc. franchise may be interested to hear about Spin Rhythm XD, a similar rhythm game which uses a jog wheel for much of the chase-down-the-notes action. Although it can be played with a keyboard and mouse, the ideal input is a professional DJ MIDI controller …read more
Slice Through Your Problems with a Shukran
We’d wager most hackers are familiar with FTDI as the manufacturer of the gold standard USB-UART interfaces. Before parts like the ultra cheap CH340 and CP2102 became common, if you needed to turn a USB cable into a TTL UART device, “an FTDI” (probably an FT232RL) was the way to …read more