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Fix DHT reading timing for SI7021 on ESP32 (#6604)

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Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
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Erdem 2024-05-30 08:31:09 +03:00 committed by GitHub
parent c130ddbe9c
commit 9de8eaff24
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1 changed files with 5 additions and 0 deletions
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esphome/components/dht/dht.cpp
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@ -86,9 +86,14 @@ bool HOT IRAM_ATTR DHT::read_sensor_(float *temperature, float *humidity, bool r
if (this->model_ == DHT_MODEL_DHT11) {
delayMicroseconds(18000);
} else if (this->model_ == DHT_MODEL_SI7021) {
#ifdef USE_ESP8266
delayMicroseconds(500);
this->pin_->digital_write(true);
delayMicroseconds(40);
#else
delayMicroseconds(400);
this->pin_->digital_write(true);
#endif
} else if (this->model_ == DHT_MODEL_DHT22_TYPE2) {
delayMicroseconds(2000);
} else if (this->model_ == DHT_MODEL_AM2120 || this->model_ == DHT_MODEL_AM2302) {