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# m122-3270
This is a replacement controller for the IBM Model M 122 key terminal keyboard
running on a STM32F411 BlackPill, intended to act as closely to the 3270
keyboard's functioning as possible while still being usable on a PC.
* Keyboard Maintainer: [Jay Maynard](https://github.com/jmaynard)
* Hardware Supported: BlackPill STM32F411, Teensy++ 2.0
* Hardware Availability: [BlackPill](https://www.adafruit.com/product/4877), [Teensy](https://www.pjrc.com/store/teensypp.html)
Make example for this keyboard (after setting up your build environment):
make ibm/model_m_122/m122_3270/blackpill:default
make ibm/model_m_122/m122_3270/bluepill:default
make ibm/model_m_122/m122_3270/teensy:default
See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools)
and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide)
for more information. Brand new to QMK? Start with our
[Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
A schematic and Gerber files are publicly available for those wishing to have
carrier boards made professionally instead of handwiring things. The M122
matrix connectors plug right into it. It can be found at
https://github.com/jmaynard/tronguylabs-m122-blackpill.
This is derived from Luke Stanley's handwired/ibm122m keyboard, with my own
keymapping and rework of the I/O for the BlackPill. There's also a version for
the Teensy++ 2.0, since that was my original design and I still use one on one
board, even though I switched to the BlackPill for future-proofing.
The Teensy++ 2.0 is not recommended for new designs.
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