mirror of https://github.com/arendst/Tasmota.git
65 lines
1.7 KiB
Arduino
65 lines
1.7 KiB
Arduino
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/***************************************************
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This is a library for our I2C LED Backpacks
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Designed specifically to work with the Adafruit LED 24 Bargraph Backpack
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----> http://www.adafruit.com/products/721
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These displays use I2C to communicate, 2 pins are required to
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interface. There are multiple selectable I2C addresses. For backpacks
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with 2 Address Select pins: 0x70, 0x71, 0x72 or 0x73. For backpacks
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with 3 Address Select pins: 0x70 thru 0x77
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Adafruit invests time and resources providing this open source code,
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please support Adafruit and open-source hardware by purchasing
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products from Adafruit!
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Written by Limor Fried/Ladyada for Adafruit Industries.
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BSD license, all text above must be included in any redistribution
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****************************************************/
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#include <Wire.h>
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#include <Adafruit_GFX.h>
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#include "Adafruit_LEDBackpack.h"
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Adafruit_24bargraph bar = Adafruit_24bargraph();
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void setup() {
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Serial.begin(9600);
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Serial.println("HT16K33 Bi-Color Bargraph test");
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bar.begin(0x70); // pass in the address
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for (uint8_t b=0; b<24; b++ ){
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if ((b % 3) == 0) bar.setBar(b, LED_RED);
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if ((b % 3) == 1) bar.setBar(b, LED_YELLOW);
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if ((b % 3) == 2) bar.setBar(b, LED_GREEN);
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}
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bar.writeDisplay();
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delay(2000);
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}
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void loop() {
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for (uint8_t b=0; b<24; b++) {
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bar.setBar(b, LED_RED);
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bar.writeDisplay();
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delay(50);
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bar.setBar(b, LED_OFF);
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bar.writeDisplay();
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}
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for (uint8_t b=0; b<24; b++) {
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bar.setBar(b, LED_GREEN);
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bar.writeDisplay();
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delay(50);
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bar.setBar(b, LED_OFF);
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bar.writeDisplay();
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}
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for (uint8_t b=0; b<24; b++) {
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bar.setBar(23-b, LED_YELLOW);
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bar.writeDisplay();
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delay(50);
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bar.setBar(23-b, LED_OFF);
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bar.writeDisplay();
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}
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}
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