{"product_id":"dfrobot-firebeetle-esp32-e-iot-microcontroller-with-header-supports-wi-fi-bluetooth","title":"DFRobot FireBeetle ESP32-E IoT Microcontroller with Header (Supports Wi-Fi \u0026 Bluetooth)","description":"\u003cmeta name=\"description\" content=\"Buy DFRobot FireBeetle ESP32-E IoT Microcontroller with Header (Supports Wi-Fi \u0026amp; Bluetooth) online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\n\u003ch1\u003eDFRobot FireBeetle ESP32-E IoT Microcontroller with Header (Supports Wi-Fi \u0026amp; Bluetooth)\u003c\/h1\u003e\n\n\u003cp\u003eThe DFRobot FireBeetle ESP32-E is a compact, low-power IoT microcontroller board featuring the dual-core Espressif ESP32 processor with integrated Wi-Fi 802.11 b\/g\/n and Bluetooth 4.2 connectivity. Professional IoT developers, embedded systems engineers, and hardware prototypers use this board to rapidly develop connected applications ranging from smart home automation to industrial sensor networks. This board solves the critical challenge of integrating wireless connectivity with minimal power consumption and form factor constraints, making it ideal for battery-powered IoT deployments where traditional development boards prove too power-hungry.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe FireBeetle ESP32-E operates on the Espressif ESP32 dual-core processor running at 240 MHz, delivering robust computational performance for complex IoT algorithms while maintaining exceptional energy efficiency through dynamic frequency scaling and sleep modes. The board incorporates a pre-soldered header configuration, eliminating the need for additional soldering and accelerating prototyping cycles. Its integrated 4 MB SPI flash memory provides ample storage for firmware and application data, while the 520 KB internal SRAM ensures smooth multitasking capabilities. The Wi-Fi module operates in 2.4 GHz band with maximum data rates up to 150 Mbps, and Bluetooth 4.2 support enables both classic and low-energy wireless protocols for diverse connectivity scenarios.\u003c\/p\u003e\n\n\u003cp\u003eWhat distinguishes the FireBeetle ESP32-E from standard ESP32 development boards is DFRobot's optimized power management design, featuring ultra-low sleep current consumption of approximately 80 uA, making it exceptionally suitable for battery-operated applications. The board includes onboard voltage regulation supporting 3.3V to 5V input, integrated USB-to-Serial converter for seamless programming, and a comprehensive pin layout providing 34 GPIO pins with support for SPI, I2C, UART, ADC, DAC, and PWM interfaces. The pre-soldered header pins enable direct breadboard integration without additional hardware modifications, significantly reducing development time for rapid prototyping and proof-of-concept implementations.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eIoT Microcontroller Development Board with Wireless Connectivity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eDFRobot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7 days on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e1-5 days from Bengaluru\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003e7-8 days across India\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003e24\/7 via Email and WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003eDual-core Espressif ESP32 at 240 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRAM\u003c\/td\u003e\n\u003ctd\u003e520 KB SRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e4 MB SPI Flash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWireless Connectivity\u003c\/td\u003e\n\u003ctd\u003eWi-Fi 802.11 b\/g\/n (2.4 GHz, 150 Mbps) and Bluetooth 4.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGPIO Pins\u003c\/td\u003e\n\u003ctd\u003e34 Digital I\/O pins with multiple protocols\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSleep mode: 80 uA, Active mode: varies by load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V to 5V with integrated voltage regulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterfaces\u003c\/td\u003e\n\u003ctd\u003eSPI, I2C, UART, ADC, DAC, PWM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Dimensions\u003c\/td\u003e\n\u003ctd\u003eCompact form factor with pre-soldered headers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eDual-Core Processing: 240 MHz dual-core ESP32 processor enables parallel task execution for complex IoT algorithms and real-time data processing without performance bottlenecks\u003c\/li\u003e\n\u003cli\u003eIntegrated Wireless: Combined Wi-Fi and Bluetooth 4.2 support eliminates the need for external wireless modules, reducing BOM costs and PCB complexity\u003c\/li\u003e\n\u003cli\u003eUltra-Low Power Design: 80 uA sleep mode current consumption extends battery life to months or years in IoT sensor applications, ideal for remote deployments\u003c\/li\u003e\n\u003cli\u003ePre-Soldered Headers: Factory-soldered pin headers enable immediate breadboard integration without requiring soldering skills or additional hardware preparation\u003c\/li\u003e\n\u003cli\u003eRich Peripheral Support: 34 GPIO pins with SPI, I2C, UART, ADC, DAC, and PWM interfaces provide extensive connectivity options for sensors, actuators, and external modules\u003c\/li\u003e\n\u003cli\u003eIntegrated USB Programming: Built-in USB-to-Serial converter simplifies firmware upload and serial debugging without external programmers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eSmart Home IoT Devices: Deploy wireless sensor nodes for temperature, humidity, and motion detection with cloud connectivity, utilizing the board's low power consumption for wall-powered or battery-operated implementations\u003c\/li\u003e\n\u003cli\u003eIndustrial Sensor Networks: Monitor equipment conditions, vibration, and environmental parameters in manufacturing facilities with reliable Wi-Fi connectivity and local Bluetooth mesh networking capabilities\u003c\/li\u003e\n\u003cli\u003eWearable Health Devices: Integrate the FireBeetle ESP32-E into fitness trackers and health monitors leveraging Bluetooth Low Energy for extended battery life and smartphone connectivity\u003c\/li\u003e\n\u003cli\u003eAgricultural IoT Solutions: Deploy soil moisture sensors, weather stations, and livestock tracking systems across farmland with Wi-Fi gateway connectivity and minimal power draw from solar or battery sources\u003c\/li\u003e\n\u003cli\u003eRobotics and Automation: Use as the control board for autonomous robots, drones, and automated systems requiring dual-core processing, wireless communication, and extensive GPIO pin availability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\n\u003cp\u003eBegin by installing the ESP32 board support package in the Arduino IDE through the Boards Manager, then connect the FireBeetle ESP32-E to your computer via USB cable. The integrated USB-to-Serial converter automatically appears as a COM port, allowing immediate firmware upload without external programmers. Select the appropriate board configuration in Arduino IDE, configure Wi-Fi credentials in your sketch using the WiFi.h library, and upload your code. The pre-soldered headers enable direct connection to breadboards or custom PCBs, supporting simultaneous sensor integration through I2C or SPI interfaces while maintaining wireless connectivity.\u003c\/p\u003e\n\n\u003cp\u003eFor Bluetooth applications, utilize the BluetoothSerial.h library for classic Bluetooth or the BLE library for low-energy implementations. The board's 34 GPIO pins accommodate multiple sensors simultaneously, with dedicated ADC pins for analog sensor inputs and PWM-capable pins for motor control. Leverage the dual-core architecture by assigning CPU-intensive tasks to one core while the other handles wireless communication, ensuring responsive IoT applications. The integrated voltage regulator accepts 3.3V to 5V input, enabling flexible power supply options from USB, battery packs, or solar panels depending on your deployment scenario.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between FireBeetle ESP32-E and standard ESP32 development boards?\u003c\/summary\u003e\n\u003cp\u003eThe FireBeetle ESP32-E features DFRobot's optimized power management design with 80 uA sleep current consumption compared to standard boards consuming 500+ uA, pre-soldered headers for immediate breadboard use, and integrated voltage regulation supporting 3.3V to 5V input. These enhancements make it specifically designed for battery-powered IoT applications where power efficiency is critical, whereas standard boards prioritize general-purpose development.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan I use both Wi-Fi and Bluetooth simultaneously on the FireBeetle ESP32-E?\u003c\/summary\u003e\n\u003cp\u003eYes, the ESP32 processor supports simultaneous Wi-Fi and Bluetooth operation through coexistence algorithms. However, they share the 2.4 GHz frequency band, so simultaneous high-bandwidth Wi-Fi and Bluetooth transfers may experience reduced performance. For optimal results, schedule Wi-Fi and Bluetooth operations sequentially or use Bluetooth Low Energy which has minimal interference impact on Wi-Fi connectivity.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow many analog sensors can I connect to the FireBeetle ESP32-E?\u003c\/summary\u003e\n\u003cp\u003eThe board provides 12 ADC pins capable of reading analog inputs with 12-bit resolution. You can connect up to 12 analog sensors simultaneously, though actual capacity depends on your application's sampling rate and data processing requirements. For applications requiring more analog inputs, consider using external multiplexer ICs connected via SPI or I2C to expand analog channel capacity.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat programming languages are supported?\u003c\/summary\u003e\n\u003cp\u003eThe FireBeetle ESP32-E is primarily programmed using Arduino IDE with C\/C++ syntax, which is the most accessible option for beginners. Advanced users can also use MicroPython for rapid prototyping, or the native ESP-IDF framework for optimized performance and advanced features. DFRobot provides extensive Arduino libraries and example sketches specifically tailored for the FireBeetle board.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eOrders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return and warranty policy?\u003c\/summary\u003e\n\u003cp\u003eWe offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eWhy Buy from The Engineer Store\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eGenuine Products: Sourced directly from authorized distributors with authentication\u003c\/li\u003e\n\u003cli\u003eExpert Team: Our technical team validates every product before listing\u003c\/li\u003e\n\u003cli\u003eFast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003ePan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata\u003c\/li\u003e\n\u003cli\u003ePayment Options: COD, UPI, credit\/debit cards, net banking, EMI available\u003c\/li\u003e\n\u003cli\u003eTechnical Support: 24\/7 expert guidance via email and WhatsApp\u003c\/li\u003e\n\u003cli\u003eReturns: 7-day return policy on manufacturing defects only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuy DFRobot FireBeetle ESP32-E IoT Microcontroller with Header (Supports Wi-Fi \u0026amp; Bluetooth) Online in India\u003c\/h2\u003e\n\n\u003cp\u003ePurchase the \u003cstrong\u003eDFRobot FireBeetle ESP32-E IoT Microcontroller with Header (Supports Wi-Fi \u0026amp; Bluetooth)\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eDFRobot FireBeetle ESP32-E IoT Microcontroller with Header (Supports Wi-\u003c\/strong\u003e\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43847441121443,"sku":"TES-EV00006042","price":1044.74,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/DF-Robot-Fire-Beetle-ESP32-E-IoT-Microcontroller-with-Header-Supports-Wi-Fi-amp-Bluetooth-3-314x252.jpg?v=1703853668","url":"https:\/\/www.theengineerstore.in\/zh-hans\/products\/dfrobot-firebeetle-esp32-e-iot-microcontroller-with-header-supports-wi-fi-bluetooth","provider":"The Engineer Store","version":"1.0","type":"link"}