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      Little Wire
      • Little Wire
      • Little Wire
      • Little Wire

      Little Wire

      SKU AVR06071P
      Little Wire is multi-featured USB controlled open source hardware tool packed in a minimal form factor designed by ihsan Kehribar
      This item is no longer available.
      Little Wire is multi-featured USB controlled open source hardware tool packed in a minimal form factor designed by ihsan Kehribar. Even though it has minimal form factor, and packed with full of features; there aren’t any SMT components involved, therefore it is very suitable for beginners to assemble. 
      This tool has to take instructions at run-time over USB. It can't work in a computer-less environment.
      V1.1 beta firmware released for the Little Wire. You can find the changelog and details from this link.
      • USB controlled multi-tool with:
        • 4-channel digital input / output
        • ADC (10 bit resolution)
        • 2 parallel hardware PWM outputs  
        • SPI interface
        • I2C interface
      • USBtiny compatible AVR programmer
      • Printf style debugging over AVR-ISP pins
      • USB to UART converter (alternative firmware -- CDC-232 port)
      • Onboard serial bootloader for firmware upgrades 
      • Minimal form factor and all through-hole components
      • Open Source Hardware design
      • AVR programming /summon captainObvious 
      • LED dimming, color mixing  
      • General servo driving   
      • Pan and tilt servo control of a webcam for face tracking
      • With additional motor driver IC, 2 wheel robot driving   
      • Analog voltage recording and plotting
      • Controlling LED matrix displays by using SPI module to drive shift registers
      • USB to SPI bridge
      • USB to I2C bridge
      • USB to UART bridge
      • General purpose V-USB developement board
      Packing list
      • 1 x Little Wire PCB
      • 1 x Pre-programmed Attiny85 chip.
      • 1 x 8pin IC socket
      • 1 x USB Male Type A connector
      • 2 x 3.6v zener diode
      • 2 x 100 nF capacitor
      • 2 x 27 Ohm resistor
      • 1 x 1.2 kOhm resistor
      • 1 x 150 ohm resitor
      • 1 x LED ( for power indication)
      • 1 x 2pin male header
      • 1 x 2pin jumper
      • 1 x (2x3)pin male header
      Analog functionality on pin3 pin isn't stable but supported. Use it at your own risk.
      Document Links
      What is included?
      • Eagle schematic / layout files. Also in PDF format.
      • Microcontroller firmware files and makefile  
      • Bootloader source files
      • C function/header files for command line USB interface for Windows and Linux
      • C++ class for Windows and Linux 
      • Processing library for Windows ( With reduced feature set ... ) 
      • C# class for Windows USB interface ( in development ... )
      • Example C projects for almost every feature of the board
      • Example C++ projects for almost every feature of the board  
      • Example Processing projects
      • Example C# project for analog voltage plotting based on zedGraph
      Do not use the Adafruit USB VID/PID without written permission from Adafruit Industries, LLC and Limor"Ladyada"Fried ( Permission is granted for littlewire Ihsan Kehribar and Seeed Studio by Adafruit Industries, LLC to use the Adafruit USB VID/PID for littlewire.
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