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🌡️ ESP8266 DHT22 Temperature \u0026 Humidity Sensor — MicroPython\n\n## 🧠 Overview\nThis project shows how to interface a **DHT22 (AM2302)** sensor with an **ESP8266** using **MicroPython**.  \nIt reads **temperature** and **humidity** values every 2 seconds and displays them on the **Thonny IDE console**.\n\n---\n\n## ⚙️ Hardware Setup\n\n| Component | ESP8266 Pin | Description |\n|------------|-------------|--------------|\n| DHT22 (Data) | GPIO4 (D2) | Sensor data output |\n| VCC | 3.3V | Power supply |\n| GND | GND | Common ground |\n\n🪛 **Connections:**\n- DHT22 **VCC → 3.3V**\n- DHT22 **GND → GND**\n- DHT22 **Data → GPIO4 (D2)**  \n- Add a **10kΩ pull-up resistor** between **VCC** and **Data** for stable readings.\n\n---\n\n## 🧩 Code\n\n```python\n# GPIO04 = D2 = Data of DHT22\n\nimport machine\nimport dht\nimport utime\n\ndh = dht.DHT22(machine.Pin(4))\n\nwhile True:\n    dh.measure()\n    utime.sleep_ms(2000)\n    tem = dh.temperature()\n    hum = dh.humidity()\n    print('Humidity:', hum, 'TEMPERATURE:', tem)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fasathiskumar98-byte%2Fesp8266-dht22-temperature-humidity-sensor-micropython","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fasathiskumar98-byte%2Fesp8266-dht22-temperature-humidity-sensor-micropython","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fasathiskumar98-byte%2Fesp8266-dht22-temperature-humidity-sensor-micropython/lists"}