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init - display test

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new idf project (with  idf.py create-project)
add 2 components for encoder and display:
    https://github.com/DavidAntliff/esp32-rotary-encoder
    https://github.com/UncleRus/esp-idf-lib/tree/master/components/max7219
add code for testing a 7 segment display
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jonny_ji7
2022-08-06 09:26:27 +02:00
commit 307cad4a9a
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Copyright (c) 2017, 2018 Ruslan V. Uss <unclerus@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
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this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of itscontributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
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