https://omarghader.github.io/tags/arduino/Recent content in Arduino onHugo -- gohugo.ioen-USTue, 14 Jul 2026 00:00:00 +0000https://omarghader.github.io/esp32-weather-station-dht11-oled/Tue, 14 Jul 2026 00:00:00 +0000https://omarghader.github.io/esp32-weather-station-dht11-oled/Introduction I’ve always been slightly obsessed with knowing the exact temperature of my office. Not the outside weather — I can open a window for that — but the microclimate around my desk, where the Wi‑Fi router and the afternoon sun conspire to turn summer afternoons into a slow roast. A few months ago I threw together a bare DHT11 dangling from my ESP32, just spitting readings to the serial monitor.