35 lines
1.1 KiB
Plaintext
35 lines
1.1 KiB
Plaintext
/*
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TM1638.h - Library for TM1638.
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Copyright (C) 2011 Ricardo Batista <rjbatista at gmail dot com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the version 3 GNU General Public License as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <TM1638.h>
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// define a module on data pin 8, clock pin 9 and strobe pin 7
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TM1638 module(8, 9, 7);
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void setup() {
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// display a hexadecimal number and set the left 4 dots
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module.setDisplayToHexNumber(0x1234ABCD, 0xF0);
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}
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void loop() {
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byte keys = module.getButtons();
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// light the first 4 red LEDs and the last 4 green LEDs as the buttons are pressed
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module.setLEDs(((keys & 0xF0) << 8) | (keys & 0xF));
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}
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