{"product_id":"esp32-s3-wroom-1-wifi-ble5-wireless-module-2-4ghz","title":"ESP32-S3-WROOM-1 2.4 GHz Wi-Fi \u0026 BLE 5 Wireless Module","description":"\u003ch2\u003eESP32-S3-WROOM-1 Wireless Module – 2.4 GHz Wi-Fi \u0026amp; BLE 5\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eESP32-S3-WROOM-1\u003c\/strong\u003e is a powerful, versatile wireless module built around Espressif's ESP32-S3 chip. Combining dual-band 2.4 GHz Wi-Fi (802.11 b\/g\/n) and Bluetooth Low Energy (BLE) 5.0, it is the ideal solution for IoT projects, smart home devices, industrial automation, wearables, and embedded systems development. Whether you're prototyping or building a production-ready device, this module delivers robust wireless connectivity in a compact form factor.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChip:\u003c\/strong\u003e ESP32-S3 \/ ESP32-S3R8 – Xtensa® dual-core 32-bit LX7 microprocessor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWireless:\u003c\/strong\u003e 2.4 GHz Wi-Fi (802.11 b\/g\/n) + Bluetooth Low Energy (BLE) 5.0\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVariants:\u003c\/strong\u003e ESP32-S3-WROOM-1 (PCB antenna) \u0026amp; ESP32-S3-WROOM-1U (external antenna connector)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlash:\u003c\/strong\u003e N4 variant includes 4 MB flash memory onboard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGPIO:\u003c\/strong\u003e Rich set of peripheral interfaces – SPI, I2C, I2S, UART, ADC, DAC, PWM, and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Voltage Operation:\u003c\/strong\u003e Below 50 V AC or 75 V DC (EU LVD compliant)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo high-concern chemicals:\u003c\/strong\u003e RoHS-compliant design\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGeneral purpose use\u003c\/strong\u003e – suitable for a wide range of embedded and IoT applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomizable:\u003c\/strong\u003e Supports firmware customization and OTA updates\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× ESP32-S3-WROOM-1 Wireless Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSmart home automation \u0026amp; IoT gateways\u003c\/li\u003e\n  \u003cli\u003eWearable electronics and edge AI projects\u003c\/li\u003e\n  \u003cli\u003eIndustrial sensor nodes and data loggers\u003c\/li\u003e\n  \u003cli\u003eDIY electronics and maker\/hobbyist prototyping\u003c\/li\u003e\n  \u003cli\u003eRobotics and embedded control systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eESP32-S3 \/ ESP32-S3R8\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.4 GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWireless Standards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWi-Fi 802.11 b\/g\/n, BLE 5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAntenna\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCB (WROOM-1) \/ IPEX\/U.FL (WROOM-1U)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlash Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 MB (N4 variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.0 V – 3.6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEU LVD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBelow 50 V AC or 75 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eLooking for more tools and electronic accessories for your projects? Check out our \u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e or the \u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge – DIY Tool\u003c\/a\u003e to complement your workbench setup.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between ESP32-S3-WROOM-1 and ESP32-S3-WROOM-1U?\u003c\/h4\u003e\n\u003cp\u003eA: The ESP32-S3-WROOM-1 features an onboard PCB antenna, making it compact and ideal for most standard IoT applications. The ESP32-S3-WROOM-1U has an IPEX\/U.FL connector for an external antenna, which is recommended when the module is housed inside an enclosure or when a longer wireless range is needed.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the ESP32-S3-WROOM-1-N4 compatible with Arduino and MicroPython?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The ESP32-S3 chip supports development with the Arduino IDE (via the ESP32 board package), MicroPython, ESP-IDF (Espressif's native framework), and PlatformIO. It's widely supported by the maker and professional embedded development communities.\u003c\/p\u003e\n\u003ch4\u003eQ: What does the \"N4\" in ESP32-S3-WROOM-1-N4 mean?\u003c\/h4\u003e\n\u003cp\u003eA: The \"N4\" designation indicates that the module is equipped with 4 MB of onboard SPI flash memory. Other variants exist with different flash sizes (e.g. N8, N16), so be sure to select the correct variant for your firmware storage requirements.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this module suitable for beginners in electronics and IoT projects?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The ESP32-S3-WROOM-1 is one of the most beginner-friendly yet powerful wireless modules available. With extensive community documentation, tutorials, and library support, it's a great starting point for anyone learning embedded systems, IoT, or wireless communication development.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between ESP32-S3-WROOM-1 and ESP32-S3-WROOM-1U?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The ESP32-S3-WROOM-1 features an onboard PCB antenna, making it compact and ideal for most standard IoT applications. The ESP32-S3-WROOM-1U has an IPEX\/U.FL connector for an external antenna, which is recommended when the module is housed inside an enclosure or when a longer wireless range is needed.\"}}, {\"@type\": \"Question\", \"name\": \"Is the ESP32-S3-WROOM-1-N4 compatible with Arduino and MicroPython?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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