ESP32 is a low-power, high-performance microcontroller board with built-in Wi-Fi and Bluetooth modules. It is commonly used in applications like sensor data reading, IoT projects, and motor control.
ESP32 Development Board – WiFi & Bluetooth
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Raspberry Pi is a mini computer that supports Linux operating systems and comes with HDMI, USB, Ethernet, and microSD connections. It is ideal for image processing, artificial intelligence, server hosting, and graphical applications.
Raspberry Pi 4 Model B – 4GB RAM
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| Feature | ESP32 | Raspberry Pi |
|---|---|---|
| Architecture | Microcontroller | Mini computer |
| Processor | 240 MHz dual-core | 1.5 GHz quad-core |
| RAM | 520 KB – 4 MB | 512 MB – 8 GB |
| Storage | Flash | microSD card |
| Operating System | None (Firmware) | Raspberry Pi OS (Linux) |
| Wi-Fi / Bluetooth | Built-in | Built-in |
| GPIO Count | ~30, includes analog | ~26, no analog |
| Power Consumption | Very low | High |
| Price | Low | High |
| Development Environment | Arduino IDE, MicroPython | Python, Linux terminal |
| Project Type | Recommended Board | Reason |
|---|---|---|
| Wireless temperature/humidity sensor | ESP32 | Wi-Fi/Bluetooth data transmission |
| Smart socket or light control system | ESP32 | Relay support and low power consumption |
| Object recognition via image processing | Raspberry Pi | Camera and OpenCV support |
| Web server (dashboard, etc.) | Raspberry Pi | Can run web servers with Python |
| LED control via Bluetooth | ESP32 | Built-in BLE support (no need for HC-05) |
| AI education/training | Raspberry Pi | Perfect for training with Python + TensorFlow |
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