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SparkFun will be closed May 25, 2015 for Memorial Day. Orders placed after 2pm on Friday the 22nd will ship out on Tuesday. Thanks!

Retired Product

This is a retired product. There is an updated version available: COM-10807

Creative Commons images are CC BY-NC-SA 3.0

Description: Replacement: COM-10807. We are now carrying the M2-series of PICAXE microcontrollers. This page is for reference only.

This is an enhanced PICAXE 20-pin microcontroller. The X2 series of PICAXE microcontrollers offer much more flexibility and features in comparison to the first generation PICAXEs. One of the key features of the X2 series is that almost every pin is configurable as an input or output.

PICAXE is a neat entry-level microcontroller system that is relatively cheap to get started with. The chip is programmed with a simple serial connection and the BASIC development environment is free! PICAXE has some excellent educational applications and support, and is a great entryway into more complicated embedded systems. If you’re look for a place to start with microcontrollers, PICAXE is a great way to go!

Features:

  • 20-pin DIP package
  • Individual pin input/output control
  • 1000-3200 memory lines
  • 18 I/O pins
  • 1-17 outputs
  • 1-17 inputs
  • 0-9 ADC inputs
  • 256 Bytes of data memory
  • Up to 64MHz operating speed

Documents:

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Customer Comments

  • Would be nice if you stocked the 20 pin dip socket for this too.

  • Very nice design. If it has enough pins for your project, this would be hard to beat. Quick, compact and configurable. Excellent.

  • Hi, just wondering if this could be taken out of retirement – the 20M2 is newer but this one has more program space and a faster internal clock speed, and would be more suitable for other applications. I’d buy it…

  • Wow, despite the C.1 firmware level, I’ve made some very cool projects with this chip including a 2 axis solar tracker & Satellite chaser and another project integrating temperature, compass heading and Real Time click displaying to a serial LCD.
    Has anyone interfaced a PC keyboard to this chip ?
    Too bad I cannot find a simple strip line proto board for my cool projects.

  • I have received chips with firmware version C.0 and C.1. I placed the order July, 2010 so the older stock has probably been sold by now.

  • Check out the 20X2 firmware. Version C.1 is what I received and it has some bugs in the ADC3 and the mask to disable hserin. Look for FW => C.2 . Version displays when the programming cable is connected and the editor is started.

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