ESP32-WROOM 38-Pin

About this item

📦 ESP32-WROOM 38-Pin

⚙️ Key Features

• 🧠 ESP32 dual-core microcontroller @240 MHz
• 📶 Built-in Wi-Fi 802.11 b/g/n
• 🔊 Integrated Bluetooth v4.2 BR/EDR and BLE
• 📍 38 GPIO pins for sensors, displays, and actuators
• 🧠 520 KB SRAM, 4 MB Flash
• ⚡ Deep sleep and ultra-low power modes
• 🧩 Compatible with Arduino IDE and ESP-IDF
• 📏 Standard 2.54 mm pin spacing (breadboard-friendly)
• 🔌 Micro-USB (varies by version) or 3.3V input via pin

🛠️ Applications

• 🌐 IoT devices and smart automation
• 🏭 Industrial embedded control systems
• 🤖 Robotics and mechatronics
• 🧪 Prototyping and engineering education
• 🎮 Custom gamepads and controllers
• 📡 Wireless data logging or transmission

⚠️ Notes

• ⚠️ Requires USB-to-Serial interface (usually onboard via CP2102 or CH340)
• 🔧 Drivers may be required depending on USB chip
• 🔋 Can also be powered via 3.3V regulator directly to pin
• 🛠️ Ensure correct boot mode for flashing (IO0 held LOW at reset)
• 📘 Cable or header pins may not be included

🌟 Key Advantages

• 📍 Access to all ESP32 GPIOs in a single module
• 🔧 Great for complex projects with multiple peripherals
• 🧠 Based on a powerful dual-core chip with Wi-Fi and BLE
• ⚙️ Fully supported by ESP-IDF and Arduino ecosystems
• 🧰 Ideal for breadboarding and development

🔗 Useful Links

• 📄 ESP32-WROOM-32 Datasheet
• 💡 ESP-IDF Docs
• 🔧 Arduino-ESP32 GitHub
• 📦 ESP32 Module Overview