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Archive for the ‘USB’ Category

USB to 3.3V – 5V serial TTL adapter

Monday, August 3rd, 2015

Dilshan Jayakody published a new build, USB to 3.3V - 5V serial TTL adapter: This post is about experimental USB to 3.3V/5V serial TTL adapter which we build recently to work with both 5V and 3.3V MCUs. This project is mainly based on CH340G seral-USB chip. CH340G is cheap and...

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Posted in USB | 1 Comment »

USB Host Library 3.0-Alpha

Thursday, July 16th, 2015

Oleg over at Circuits@Home writes: The alpha of the third revision of USB Host library has been posted on GitHub. The code has been extensively re-organized to make it modular and generic; as a result, it is now possible to run it on more Arduino compatibles and also use native...

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Posted in library, USB | No Comments »

Nifty USB LED light

Tuesday, July 7th, 2015

Isonno writes, "One of the hit discoveries of Hacker Camp 5 were these little USB lights. Plugs in either way, and you turn on/off/dim by touching the back. Turns out the show is run by a chip called the Sigma SGL8022W. The datasheet has the schematic." Via the forum.

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Posted in USB | 2 Comments »

SIM900 USB Communication using MCP2200

Tuesday, June 23rd, 2015

Here's a simple USB interface to communicate with a SIM900 modem by Jesus Echavarria.   He wrote a post on his blog detailing its assembly: Hi all! Here’s the new project where I’m working a couple of days. Since I develop the SIM900 module and test it, I don’t work with...

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Posted in project logs, USB | No Comments »

FlashProg – USB serial flash memory programmer

Friday, June 5th, 2015

Dilshan Jayakody  published a new build, the FlashProg project - a USB serial flash memory programmer: FlashProg is USB base flash memory programmer to work with 3.3V serial flash memory devices. This programmer is specifically design to read, program and configure 25x series, serial flash memory devices which are commonly used...

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Posted in programmers, USB | 2 Comments »

3A Power supply for USB devices

Tuesday, May 5th, 2015

Jayakody published a new build, a 3A Power supply for USB devices: This is 5V 3A power supply to drive two USB based devices simultaneously. This power supply is design around LM2576-5.0 switching regulator IC and the main reasons to choose this IC is its low parts count, small heat sink requirements...

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Posted in power supply, USB | 8 Comments »

ChipHeadBang – design for an USB to Serial converter with ICSP header for (slow) bitbang programming

Monday, April 20th, 2015

microtherion has published new project the ChipHeadBang, that is available on Github: Design for an USB to Serial converter with ICSP header for (slow) bitbang programming, based on the CH340G chip. While this seems to work pretty well, and the CH340G can be obtained extremely cheaply from sources such as AliExpress, driver...

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Posted in AVR, USB | 2 Comments »

USB interfacing for AVR microcontrollers

Monday, January 19th, 2015

Ralph Doncaster  writes: Since the release of V-USB, dozens of projects have been made that allow an AVR to communicate over USB. USB data signals are supposed to be in the range of 2.8 to 3.6V, so there are two recommended ways to have an AVR output the correct voltage....

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Posted in AVR, USB | No Comments »

OneRNG – an open source entropy generator

Wednesday, December 24th, 2014

Moonbase Otago is pleased to announce its Kickstarter campaign for OneRNG - an open source hardware entropy generator: OneRNG is a USB key in the same form factor as a USB flash drive, it's an entropy generator, it makes random bitstreams suitable for feeding to your computer's encryption systems to...

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Posted in open source, USB | 3 Comments »

Remaking MSR206 RS232 magnetic card reader to USB

Thursday, October 2nd, 2014

An article on modifying MSR-206 magnetic card reader to replace RS232 port with USB by crimier: This was of high urgency, so I’ve had to suspend my usual work activities and concentrate on this project yesterday. MSR-206 is a pretty impressive piece of technology, incomparable to those cheap eBay magnetic card...

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Posted in hacks, USB | No Comments »

Derbycon video: Making BadUSB Work For You

Thursday, October 2nd, 2014

Adam Caudill and Brandon Wilson gave this presentation at the recent Derbycon 2014 conference in Louisville, KY, covering their hack of the Phison 2251-03 USB controller firmware to add new "features" and functionality. They focus on the Patriot Supersonic Xpress 8GB USB drive allowing it to be repurposed for non-standard...

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Posted in hacks, reversed, security, USB, Videos | No Comments »

Android USB tethering driver for Mac OS X

Monday, September 15th, 2014

HoRNDIS, a USB tethering driver for Mac OS X by Joshua Wise: HoRNDIS (pronounce: “horrendous”) is a driver for Mac OS X that allows you to use your Android phone's native USB tethering mode to get Internet access. It is known to work with Mac OS X versions 10.6.8 (Snow Leopard)...

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Posted in Android, USB | 1 Comment »

ATtiny84 USBtiny AVR ISP programmer

Friday, September 5th, 2014

Rupert Hirst writes: My through hole, home etch friendly version of the surface mount FabISP, which is based around the USBtinyISP AVR ISP Programmer. The new USBtinyISP drivers also support for Windows 8 This design uses the ATtiny84 microcontroller instead of the larger ATtiny2313 of the USBtiny. Project design flies...

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Posted in AVR, programmers, USB | No Comments »

Hand powered USB charger from hacked IKEA flashlight

Saturday, July 19th, 2014

Werner sends this handy hack he found at IKEAHackers. Giovanni Gentile devised this simple hack which mods an IKEA Ljusa hand powered flashlight into a USB charger. "The procedure was simple, it was enough to eliminate some resistors and use a capacitor sufficient to handle the charge given by the...

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Posted in hacks, how-to, power supply, USB | No Comments »

GPIBUSB Adapter update

Tuesday, July 8th, 2014

Another update on Scasagrande's project, GPIBUSB Adapter rev4: After working closely with a few individuals it was discovered that some of the pre-existing GPIB software (such as KE5FX's tools) has some hardcoded serial port settings, one of which being the use of hardware flow control. After getting builds of the software...

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Posted in open source, USB | 2 Comments »

Linux security tip: moving your /boot partition to removable media

Monday, June 30th, 2014

Today threats to your data can come from many quadrants. It's not enough to protect against malicious online attacks; there's the very real threat of government confiscating and examining the electronic devices carried by international travelers, and even planting spyware. In this post from "The Doctor", we're shown one way...

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Posted in how-to, Linux, security, USB | 2 Comments »

USB to Serial converter using AVR microcontroller

Monday, June 9th, 2014

Yet another great project by Dr. Ayman Shalaby of Electronics Lab, a USB to Serial converter using an ATMEL AVR microcontroller: This project is a USB to Serial converter using an ATMEL AVR microcontroller. There are two version of the converter, one with SMD parts and another with TH parts. The mcu...

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Posted in AVR, USB | 7 Comments »

LemcUSB: software USB for EFM32ZG (ARM Cortex M0+)

Monday, March 24th, 2014

Viswa informs us that the Lemcu.org crew have implemented a purely software based USB peripheral for ARM Cortex M0+ devices and a made a tiny Quick start board for EFM32ZG110 MCU. "This software enables Cortex M0+ devices to act as a Low speed USB device. It includes a lightweight USB...

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Posted in ARM, dev boards, open source, USB | No Comments »

Arduino + NES controller = USB keyboard

Saturday, March 22nd, 2014

Grouflon has written up a unique project using an Arduino and an NES controller. "This week I worked on little script/manipulation that turns an Arduino and a NES controller into a USB Keyboard. Maybe it can be of use to some of you, so feel free to grab the code...

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Posted in Arduino, code, hacks, USB, vintage | 1 Comment »

µ-Wire: USB on ATtiny10 controlling a WS2812 LED

Thursday, March 20th, 2014

cpldcpu writes:I tried to push the ATtiny10 to its limits and succeeded - I implemented a seriously gutted version of V-USB on an SOT23 ATtiny10 with just 1kb flash and 32b of RAM. It implements a subset of the little-wire protocol to control a single WS2812 LED.I am currently also...

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Posted in USB | 3 Comments »

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