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The new PICAXE-18M2 microcontroller builds on the pedigree of the ever popular 18 pin PICAXE microcontrollers by adding these new and improved features at no extra cost:

PICAXE-18M2 microcontroller chip. Individual pin control, 32MHz, multi-tasking and i2c bus support.

  • Almost every pin is individually configurable, so, for instance, the 18M2 can now have 10 outputs instead of 8 – the choice is yours! Therefore M2 chips can be used in either the ‘traditional’ fixed pin format or the new flexible ‘user configured’ format.
  • Many extra ADC channels are now also available on other pins.
  • The reset and serial input pins can now be used as 2 extra input pins, giving 2 more general purpose input pins for your project.
  • If desired the reset pin can still be configured to give a reset function via the new ‘reset’ command.
  • The 18M2 can now run four separate tasks in parallel, allowing a Logicator flowsheet to contain 4 separate start cells and 4 separate flowchart tasks.
  • Multi tasking is also supported in BASIC program listings.
  • The 18M2 device replaces all of the older 18/18A/18M/18X parts and so gives 18X equivalent memory capacity (2048 bytes, up to 1800 lines of program) at the same price as the older 256 byte 18A/18M – so that is 8x the memory capacity of the older parts for no extra cost!
  • Fully backwards compatible with all existing 18 pin PICAXE project boards and programs written for any older 18 pin PICAXE part.
  • New lower 1.8V operation now makes the 18M2 ideal for use with 3V battery packs - save the cost of one battery!
  • Twice as many (now 28) general purpose byte variables, with a total of 256 bytes of RAM.
  • New ‘time’ variable counts elapsed seconds.
  • Separate 256 bytes of non-volatile data EEPROM memory.
  • Faster internal resonator (up to 32MHz) means up to 8x faster program processing.
  • Full support for common features such as ring tone tunes, servos, digital temperature sensors and infra-red input and output on any pin.
  • Full support for advanced features like DAC, SR latch, hardware serial commands (for much faster baud rates), i2c memory devices and hardware PWM control of motors.
  • The PICAXE-18M2 is a new custom part factory manufactured by Microchip Inc. for Revolution Education and so is factory engraved with the full PICAXE-18M2 name – no more confusing PIC numbers for students to decipher!

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