Esp-01 01s Now

#define LED 2 // GPIO2, active LOW on ESP-01S void setup() pinMode(LED, OUTPUT); digitalWrite(LED, HIGH); // off

void setup() dht.begin(); WiFi.begin("SSID", "PASS"); client.setServer("192.168.1.100", 1883); esp-01 01s

DHT dht(DHTPIN, DHTTYPE); WiFiClient espClient; PubSubClient client(espClient); #define LED 2 // GPIO2, active LOW on

GPIO0, GPIO2 (both with external 10k pull-ups if original ESP-01). #define LED 2 // GPIO2