{"product_id":"adafruit-esp32-s3-feather-with-stemma-qt-qwiic-8mb-flash-no-psram","title":"Adafruit ESP32-S3 Feather with STEMMA QT \/ Qwiic – 8MB Flash No PSRAM","description":"\u003cmeta name=\"description\" content=\"Buy Adafruit ESP32-S3 Feather with STEMMA QT \/ Qwiic – 8MB Flash No PSRAM 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\u003eAdafruit ESP32-S3 Feather with STEMMA QT \/ Qwiic – 8MB Flash No PSRAM\u003c\/h1\u003e\n\n\u003cp\u003eThe Adafruit ESP32-S3 Feather is a dual-core 32-bit microcontroller board featuring the Espressif ESP32-S3 processor with integrated WiFi and Bluetooth 5.0 connectivity, designed for IoT and embedded systems development. Professional engineers, IoT developers, and embedded systems specialists use this board for prototyping connected devices, sensor networks, and wireless applications requiring robust processing power and wireless capabilities. This product solves the challenge of building compact, power-efficient IoT solutions with native wireless connectivity and extensive GPIO options while maintaining the popular Feather form factor for seamless integration with existing ecosystems.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Adafruit ESP32-S3 Feather combines the powerful Espressif ESP32-S3 dual-core processor running at 240 MHz with 8MB of Flash storage, making it ideal for applications requiring significant code storage and real-time processing capabilities. The board integrates 2.4 GHz WiFi 802.11 b\/g\/n and Bluetooth 5.0 Low Energy for versatile wireless communication options. The STEMMA QT \/ Qwiic connector enables plug-and-play integration with hundreds of compatible sensors and modules without requiring soldering, significantly accelerating development cycles and reducing prototyping time for complex sensor applications.\u003c\/p\u003e\n\n\u003cp\u003eThis variant features 8MB of Flash memory without PSRAM, making it suitable for applications that don't require external RAM expansion but benefit from substantial program storage. The board includes a built-in LiPo charger circuit, USB-C connectivity for programming and power delivery, and comprehensive pin headers for GPIO access. The ESP32-S3 architecture provides hardware support for cryptographic operations, making it suitable for secure IoT deployments. Its low-power capabilities and efficient power management make it ideal for battery-operated devices while maintaining full processing capability for complex algorithms and real-time data processing.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\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\u003eMicrocontroller Development Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAdafruit\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\u003eEspressif ESP32-S3 Dual-Core 32-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClock Speed\u003c\/td\u003e\n\u003ctd\u003e240 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e8MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePSRAM\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWireless Connectivity\u003c\/td\u003e\n\u003ctd\u003eWiFi 802.11 b\/g\/n and Bluetooth 5.0 LE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGPIO Pins\u003c\/td\u003e\n\u003ctd\u003eMultiple digital and analog pins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eSTEMMA QT \/ Qwiic I2C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Input\u003c\/td\u003e\n\u003ctd\u003eUSB-C with integrated LiPo charger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDual-core 240 MHz ESP32-S3 processor with hardware cryptographic acceleration for secure IoT applications and encrypted communications\u003c\/li\u003e\n\u003cli\u003e8MB Flash memory provides substantial program storage for complex firmware, machine learning models, and extensive sensor data logging capabilities\u003c\/li\u003e\n\u003cli\u003eIntegrated WiFi 802.11 b\/g\/n and Bluetooth 5.0 Low Energy enables simultaneous wireless connectivity for hybrid IoT solutions and remote device management\u003c\/li\u003e\n\u003cli\u003eSTEMMA QT \/ Qwiic connector eliminates soldering requirements and enables rapid integration with compatible environmental sensors, motion sensors, and environmental monitoring modules\u003c\/li\u003e\n\u003cli\u003eBuilt-in USB-C interface with integrated LiPo battery charger circuit simplifies power management and enables portable, battery-operated deployments\u003c\/li\u003e\n\u003cli\u003eCompact Feather form factor ensures compatibility with existing shields, breakout boards, and development ecosystem while maintaining minimal footprint\u003c\/li\u003e\n\u003cli\u003eMultiple GPIO pins support analog-to-digital conversion, PWM output, and SPI\/UART communication for interfacing with legacy sensors and industrial equipment\u003c\/li\u003e\n\u003cli\u003eLow-power sleep modes and efficient power management enable extended battery life for remote monitoring and IoT edge devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIoT Environmental Monitoring: Deploy WiFi-connected weather stations and air quality monitors with integrated sensors via STEMMA QT connectors for real-time cloud data transmission\u003c\/li\u003e\n\u003cli\u003eWireless Home Automation: Build smart home controllers with Bluetooth connectivity for local device control and WiFi for remote access via mobile applications\u003c\/li\u003e\n\u003cli\u003ePortable Data Logging Systems: Create battery-powered field data acquisition devices with 8MB storage for long-term sensor data collection in remote locations\u003c\/li\u003e\n\u003cli\u003eWearable Device Development: Design Bluetooth-enabled fitness trackers and health monitoring devices with efficient power consumption for extended wear duration\u003c\/li\u003e\n\u003cli\u003eIndustrial IoT Sensors: Deploy encrypted WiFi sensors for factory monitoring, predictive maintenance, and real-time equipment telemetry with secure data transmission\u003c\/li\u003e\n\u003cli\u003eRobotics and Drone Control: Implement wireless communication and sensor fusion for autonomous robots and aerial platforms requiring dual-core processing power\u003c\/li\u003e\n\u003cli\u003eSmart Agriculture: Create soil moisture and environmental monitoring systems with LoRa or WiFi connectivity for precision farming applications\u003c\/li\u003e\n\u003cli\u003eEducational Electronics Projects: Teach embedded systems, IoT, and wireless communication concepts with accessible development platform and extensive community resources\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eBegin by connecting the Adafruit ESP32-S3 Feather to your computer via USB-C cable. Install the Arduino IDE or PlatformIO development environment and configure the ESP32-S3 board definitions from Espressif's official repository. The board can be programmed using Arduino-compatible C\/C++ code or MicroPython, providing flexibility based on your development preference. For sensor integration, simply plug compatible STEMMA QT modules into the onboard connector—the I2C protocol handles all communication automatically without requiring additional wiring.\u003c\/p\u003e\n\n\u003cp\u003eTo utilize WiFi connectivity, implement WiFi.begin() with your network credentials in the setup function. For Bluetooth applications, use the BluetoothSerial library or BLE API depending on your connectivity requirements. The 8MB Flash memory is divided between the bootloader, firmware, and SPIFFS filesystem for file storage. Leverage the dual-core architecture by running tasks on separate cores using FreeRTOS to handle real-time sensor polling on one core while managing WiFi communication on another. Monitor power consumption using the onboard power management features and implement sleep modes when the device operates on battery power to extend operational duration significantly.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between this 8MB Flash No PSRAM variant and other ESP32-S3 Feather versions?\u003c\/summary\u003e\n\u003cp\u003eThis variant features 8MB of Flash memory without external PSRAM. The 8MB Flash provides substantial program storage suitable for complex applications with large firmware sizes. The absence of PSRAM means you have less dynamic RAM available during runtime, making this variant ideal for applications that don't require extensive runtime memory but benefit from large program storage. If your project requires both large firmware and significant runtime memory for data processing, consider PSRAM-equipped variants instead.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this board for battery-powered applications?\u003c\/summary\u003e\n\u003cp\u003eYes, the ESP32-S3 Feather is specifically designed for battery-powered IoT devices. The integrated LiPo charger circuit allows direct connection of lithium polymer batteries for portable operation. The dual-core processor includes multiple sleep modes that dramatically reduce power consumption when the device is idle. By implementing deep sleep between sensor readings and optimizing WiFi connection intervals, you can achieve battery life ranging from days to weeks depending on your application's duty cycle and sensor update frequency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I connect sensors using the STEMMA QT \/ Qwiic connector?\u003c\/summary\u003e\n\u003cp\u003eThe STEMMA QT and Qwiic connectors are electrically identical I2C interfaces that use a standardized 4-pin JST connector. Simply plug any compatible sensor module directly into the onboard connector without soldering. The I2C bus automatically communicates with the sensor using standard Arduino Wire library functions. Multiple sensors can be daisy-chained on the same I2C bus by connecting them sequentially, as long as each sensor has a unique I2C address to prevent communication conflicts.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs WiFi and Bluetooth connectivity simultaneous or mutually exclusive?\u003c\/summary\u003e\n\u003cp\u003eThe ESP32-S3 supports simultaneous WiFi and Bluetooth 5.0 Low Energy operation. You can establish a WiFi connection to transmit data to cloud servers while simultaneously maintaining Bluetooth connectivity for local device control or smartphone interaction. The dual-core processor efficiently manages both wireless stacks, though simultaneous high-bandwidth usage on both interfaces may require careful power management and antenna design to avoid interference.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat programming languages are supported?\u003c\/summary\u003e\n\u003cp\u003eThe Adafruit ESP32-S3 Feather supports multiple programming environments including Arduino IDE with C\/C++ code, PlatformIO with various frameworks, and MicroPython for rapid prototyping. Arduino compatibility ensures access to extensive libraries for WiFi, Bluetooth, sensor interfacing, and web services. MicroPython offers faster development cycles and easier debugging for educational and rapid prototyping applications. Choose based on your team's expertise and project requirements.\u003c\/p\u003e\n\u003c\/details\u003e\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\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\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\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 Adafruit ESP32-S3 Feather with STEMMA QT \/ Qwiic\n\u003ch2\u003eBuy Adafruit ESP32-S3 Feather with STEMMA QT \/ Qwiic – 8MB Flash No PSRAM Online in India\u003c\/h2\u003e\n\u003c\/h2\u003e\u003cp\u003ePurchase the \u003cstrong\u003eAdafruit ESP32-S3 Feather with STEMMA QT \/ Qwiic – 8MB Flash No PSRAM\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.\u003c\/p\u003e\n\u003cp\u003eOur team in Bengaluru is available 24\/7 to support your journey from product selection to project completion.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43847458128035,"sku":"TES-EV00006153","price":2290.02,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/Adafruit-ESP32-S3-Feather-with-STEMMA-QT-Qwiic-8MB-Flash-No-PSRAM-2-314x252.jpg?v=1703854071","url":"https:\/\/www.theengineerstore.in\/zh-hant\/products\/adafruit-esp32-s3-feather-with-stemma-qt-qwiic-8mb-flash-no-psram","provider":"The Engineer Store","version":"1.0","type":"link"}