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composants:i2c_oled_ssd1306 [2019/01/06 20:18] – [Utilisation] mh | composants:i2c_oled_ssd1306 [2020/06/01 16:35] (current) – external edit 127.0.0.1 | ||
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====== I2C OLED 0.91 inch Screen ====== | ====== I2C OLED 0.91 inch Screen ====== | ||
- | ===== Résumé ===== | + | Exists in various format (128x32, 128x64) |
- | Un petit écran qui utilise le driver SSD1306. S' | + | {{composants: |
- | ===== Utilisation | + | ===== Specifications |
- | Dans Arduino il y a plusieurs bibliothèques qui permettent de s' | + | *5V ready |
+ | *Can use I2C (two wires) or SPI communication | ||
- | Il faut d' | + | ===== Usage ===== |
- | Le module 128x32 utilise l' | + | You can use **Adafruit SSD1306**. |
- | ++++On peut utiliser | + | The 128x32 uses address 0x3C |
+ | |||
+ | If you are connecting to SDA/SCL using I2C connect pin SDA to UNO A4 and SCL to UNO A5 (default pins, respectively 20 and 21 on a Mega) | ||
+ | |||
+ | |||
+ | ++++ Basic Arduino text example | ||
<code c> | <code c> | ||
+ | #include < | ||
#include < | #include < | ||
- | + | #include < | |
- | void setup() | + | #include < |
- | { | + | |
- | | + | #define SCREEN_WIDTH 128 // OLED display width, in pixels |
- | + | #define SCREEN_HEIGHT 32 // OLED display height, in pixels | |
+ | |||
+ | // Declaration for an SSD1306 display connected to I2C (SDA, SCL pins) | ||
+ | #define OLED_RESET | ||
+ | Adafruit_SSD1306 display(SCREEN_WIDTH, | ||
+ | |||
+ | void setup() { | ||
Serial.begin(9600); | Serial.begin(9600); | ||
- | while (!Serial); | + | |
- | Serial.println(" | + | |
- | } | + | |
- | + | Serial.println(F("SSD1306 allocation failed")); | |
- | void loop() | + | for(;;); // Don't proceed, loop forever |
- | { | + | |
- | | + | |
- | int nDevices; | + | |
- | + | ||
- | Serial.println(" | + | |
- | + | ||
- | nDevices = 0; | + | |
- | for(address = 1; address < 127; address++ | + | |
- | | + | |
- | | + | |
- | | + | |
- | // a device did acknowledge to the address. | + | |
- | Wire.beginTransmission(address); | + | |
- | error = Wire.endTransmission(); | + | |
- | + | ||
- | if (error == 0) | + | |
- | { | + | |
- | | + | |
- | if (address< | + | |
- | Serial.print("0"); | + | |
- | Serial.print(address, | + | |
- | | + | |
- | + | ||
- | nDevices++; | + | |
- | } | + | |
- | else if (error==4) | + | |
- | { | + | |
- | Serial.print(" | + | |
- | if (address< | + | |
- | Serial.print(" | + | |
- | Serial.println(address,HEX); | + | |
- | } | + | |
} | } | ||
- | if (nDevices == 0) | ||
- | Serial.println(" | ||
- | else | ||
- | Serial.println(" | ||
- | |||
- | delay(100); | ||
} | } | ||
- | </ | ||
- | ++++ | ||
+ | void loop() { | ||
+ | writeText(); | ||
+ | } | ||
+ | |||
+ | void writeText(void) { | ||
+ | display.clearDisplay(); | ||
+ | display.setTextSize(1); | ||
+ | display.setTextColor(WHITE); | ||
+ | display.setCursor(0, | ||
+ | display.println(F(" | ||
+ | display.display(); | ||
+ | } | ||
+ | |||
+ | </ | ||
+ | ++++ | ||
===== Ressources ===== | ===== Ressources ===== | ||
- | Acheté de la marque | + | Bought from MakerHawk |
- | *[[https:// | + | *[[https:// |