Esp-01 01s May 2026

void loop() float h = dht.readHumidity(); float t = dht.readTemperature(); client.publish("sensor/temp", String(t).c_str()); delay(30000);

void loop() digitalWrite(LED, LOW); // on delay(1000); digitalWrite(LED, HIGH); delay(1000); esp-01 01s

DHT dht(DHTPIN, DHTTYPE); WiFiClient espClient; PubSubClient client(espClient); void loop() float h = dht

Once connected:

#define LED 2 // GPIO2, active LOW on ESP-01S void setup() pinMode(LED, OUTPUT); digitalWrite(LED, HIGH); // off void loop() float h = dht.readHumidity()