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Sensor improvement: try BME280 addresses #2607

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Sensor improvement: try BME280 addresses #2607

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cec7b95
Sensor improvement: try BME280 addresses
tedder May 23, 2026
19efd2e
address order optimization
tedder May 23, 2026
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33 changes: 19 additions & 14 deletions src/helpers/sensors/EnvironmentSensorManager.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -202,20 +202,25 @@ bool EnvironmentSensorManager::begin() {
#endif

#if ENV_INCLUDE_BME280
if (BME280.begin(TELEM_BME280_ADDRESS, TELEM_WIRE)) {
MESH_DEBUG_PRINTLN("Found BME280 at address: %02X", TELEM_BME280_ADDRESS);
MESH_DEBUG_PRINTLN("BME sensor ID: %02X", BME280.sensorID());
// Reduce self-heating: single-shot conversions, light oversampling, long standby.
BME280.setSampling(Adafruit_BME280::MODE_FORCED,
Adafruit_BME280::SAMPLING_X1, // temperature
Adafruit_BME280::SAMPLING_X1, // pressure
Adafruit_BME280::SAMPLING_X1, // humidity
Adafruit_BME280::FILTER_OFF,
Adafruit_BME280::STANDBY_MS_1000);
BME280_initialized = true;
} else {
BME280_initialized = false;
MESH_DEBUG_PRINTLN("BME280 was not found at I2C address %02X", TELEM_BME280_ADDRESS);
{
static const uint8_t bme280_addrs[] = { TELEM_BME280_ADDRESS, 0x77, 0x76 };
for (uint8_t addr : bme280_addrs) {
if (BME280.begin(addr, TELEM_WIRE)) {
MESH_DEBUG_PRINTLN("Found BME280 at address: %02X", addr);
MESH_DEBUG_PRINTLN("BME sensor ID: %02X", BME280.sensorID());
BME280.setSampling(Adafruit_BME280::MODE_FORCED,
Adafruit_BME280::SAMPLING_X1,
Adafruit_BME280::SAMPLING_X1,
Adafruit_BME280::SAMPLING_X1,
Adafruit_BME280::FILTER_OFF,
Adafruit_BME280::STANDBY_MS_1000);
BME280_initialized = true;
break;
}
}
if (!BME280_initialized) {
MESH_DEBUG_PRINTLN("BME280 not found at 0x76 or 0x77");
}
}
#endif

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