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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| en:iot-open:practical:hardware:sut:esp32:emb1b_1 [2025/04/25 12:10] – pczekalski | en:iot-open:practical:hardware:sut:esp32:emb1b_1 [2025/04/28 20:32] (current) – [Steps] pczekalski | ||
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| Line 49: | Line 49: | ||
| Declare BME's address, sensor controller class and variables to store readings: | Declare BME's address, sensor controller class and variables to store readings: | ||
| <code c> | <code c> | ||
| + | #define SCL 4 | ||
| + | #define SDA 5 | ||
| + | |||
| static const int BME280_addr = 0x76; //I2C address | static const int BME280_addr = 0x76; //I2C address | ||
| Line 63: | Line 66: | ||
| Initialise the I2C bus and the controller class: | Initialise the I2C bus and the controller class: | ||
| <code c> | <code c> | ||
| - | Wire.begin(5,4); //5 (SDA), 4 (SCL) | + | Wire.begin(SDA,SCL); |
| + | delay(100); | ||
| ... | ... | ||
| isBMEOk = bme280.begin(BME280_addr); | isBMEOk = bme280.begin(BME280_addr); | ||
