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CRUX – AVR ATtiny85 Development Board with USB Bootloader

CRUX – AVR ATtiny85 Development Board with USB Bootloader Buy CRUX – AVR ATtiny85 Development Board with USB Bootloader at lowest prices in India. Shop Online CRUX – AVR ATtiny85 Development Board with USB Bootloader with best deals at Product Id : 79450484
Rs.349 Rs.499 30% off

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CRUX – AVR ATtiny85 Development Board with USB Bootloader


AVR CRUX is a tiny microcontroller development board based on ATtiny85, similar to the Arduino line, only cheaper, compact, lower power consumption and a bit less powerful. The board supports use of specific Arduino IDE and conveniently uses Arduino syntax for programming. This is a great way to jump into electronics and also perfectly fits when an Arduino is too big.

AVR CRUX board may be tiny, but don’t be fooled by its size. The board has digital IO pins for regular use, PWM outputs to control motors and actuators, Analog inputs to interface with your sensors and a USB port to program and interact with your computer. It even has a tiny button switch used as reset button or a custom button and a user controllable LED to play around and create your first “blinking LED” program. A powerful board intended for artists, designers, hobbyists and anyone interested in creating interactive things

This board is a perfect start for beginners interested in electronics, sensors, motor controllers and robotics.


  • Really tiny development board!
  • On board USB interface with micro USB connector. Since most mobile phones come with a micro USB cable, you don’t even need to purchase one separately
  • Reset button available for entering into bootloader or to restart the program. No need to disconnect and reconnect the board every time you program it
  • Solder pads for I2C pull-up resistors for PB0 and PB2 pins available on PCB backside. This is useful if you are communicating with sensors and modules over I2C protocol
  • No expert knowledge or external connections required to write programs. Download specific Arduino IDE; connect CRUX board, program, upload and have fun
  • Hundreds of tried and tested programs available online and also on veerobot website
  • Two LEDs; Power LED to indicate power and a custom LED for your experiments
  • Regulated external power supply with built-in current limiting and over-temperature shutdown feature
  • Micronucleus boot loader V1.11; This bootloader uses ~2K bytes of memory and ~6K Bytes of memory available for user programs
  • 5 general purpose input output pins (GPIO) with 3 analog inputs and 3 PWM outputs. 2 Analog input and 1 PWM output is shared across 2 pins which are used for USB interface
  • Schottky diode to isolate USB power from battery power (reverse protection)
  • 4 Mounting holes on this tiny board
  • Two additional ground pins for testing and connecting external circuits
  • Works out of the box with Digispark Arduino IDE (thanks to them for making it accessible to the community)
  • High quality printed circuit board. Each board comes with bootloader burnt and blink LED program uploaded. Just power up the board and see the LED blinking


For Documentation, complete list of features and specifications, visit

The codes are developed on a continuous basis and will be added as and when new products are added.

Shipping Contents

1x Crux AVR Development Board

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Maximum Retail Price (inclusive of all taxes) :   Rs.499
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