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AVR ATtiny USB Tutorial Part 1
I wanted to build an USB device using AVR microcontrollers since I found out that it was possible. However, both the USBtiny project and the more extensive V-USB library lacked an easy-to-approach...
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AVR ATtiny USB Tutorial Part 2
This is the second part of my USB tutorial for ATtiny2313 and V-USB library. In the first part we learned how to get 3.3V from USB to power our circuits. In this part, we will expand our setup with...
View ArticleAVR ATtiny USB Tutorial Part 3
This is the third part of my USB tutorial for ATtiny2313 and V-USB library. In the second part we got the breadboard setup more or less covered, and now is the time for actual code! This will most...
View ArticleAVR ATtiny USB Tutorial Part 4
All right. Now that we got the basic USB code working in part 3, it’s time to wrap things up in this tutorial series. This fourth section will explain how to send data from your device to PC and also...
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DIY USB password generator
Having done half a dozen V-USB tutorials I decided it’s time to whip up something cool. As USB keyboards were an area untouched, I decided to make a small USB HID keyboard device that types a password...
View ArticleUsing Arduino Uno as ISP
One exciting piece of hardware I received with my Digikey order was an Arduino Uno board (R3). There was conflicting information whether or not it could be used as an ISP (in-system programmer), so I...
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USB password generator PCB
The most popular project of all time at Code and Life has been my DIY USB password generator. When I made it, I used a piece of veroboard that just fit inside a USB memory stick enclosure. Well, guess...
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Retronics USB Joystick Adapter and Other Coolness with V-USB
There are a ton of cool gadgets available in eBay, and even though I sometimes do impulse buys, I rarely mention those in my blog. However, this extremely cool piece of retro tech is something I just...
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USB Mouse with ATmega32U4 Pro Micro Clone and LUFA
I have spent a fair amount of time with 8-bit AVR microcontrollers and one of the cooler things has been the V-USB library which implements low-speed USB with clever (and very time-critical)...
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Ugreen M.2 NVME drive enclosure with USB-C 3.1 test
I’ve been occasionally doing backups of critical files to an external hard drive (in addition to cloud of course :). However, my nice portable drive was only 500 GB and lately I’ve pushed over 600 GB...
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