Content for USB

USBpicprog – a free and open source usb pic programmer

“Usbpicprog is an USB in circuit programmer for Microchip PIC processors. The hardware is as simple as possible, the current version only contains one PIC18F2550, 4 mosfets, and besides the connectors a hand full of passive components.”

Adding a USB power port to a switch for IoT

“Hi all! After some time out, due some hard work, I’m here again with a ‘one weekend’ project (in my case, with three childs. Sure it can be done in one afternoon!). I want to start some projects with …

USB NeoPixel Deco Lights (via Digispark / ATtiny85)

“For this Instructable we need a WS2812 LED strip, also known as NeoPixel, and any MCU that could be programmed via Arduino. I use Digispark, it is a very nice tiny MCU based on ATtiny85. It has a special bootloader …

How to Make a USB Breadboard Power Supply

“I purchased many USB breadboard power supply from market but none of them fit on my bread board. Reason being non standard dimensions of breadboard. Holes are 2.54 mm apart, but total size is variable. Hence I decided to …

serialusb – a cheap USB proxy for input devices

“serialusb is a cheap (~$5) USB proxy intended to be used with input devices. Input devices generally use interrupt IN and OUT endpoints, and operate at low or full speed modes. The maximum throughput is 64 kB/s = 512kbps in …

Protecting the Universal Serial Bus from Over Voltage and Overcurrent Threats

“This application note addresses the various requirements for protecting the Universal Serial Bus (USB) from overcurrent and over voltage environmental threats.The solutions presented cover both USB 1.1 and the higher speed USB 2.0 circuitry. Specific emphasis is …