{"product_id":"esp32-esp-wroom-32-wireless-module-4mb-flash-32mb-psram-ipex-pcb-antenna","title":"ESP32 ESP-WROOM-32 Wireless Module | 4MB Flash 32Mb PSRAM","description":"\u003ch2\u003eESP32 ESP-WROOM-32 Wireless Module – Dual Antenna, 32Mb PSRAM \u0026amp; 4MB Flash\u003c\/h2\u003e\n\u003cp\u003eSupercharge your next IoT or embedded project with the \u003cstrong\u003eESP32 ESP-WROOM-32 Wireless Module\u003c\/strong\u003e. Featuring the powerful dual-core Espressif ESP32-S chipset, this compact module delivers reliable Wi-Fi and Bluetooth connectivity in a tiny footprint — perfect for prototyping, hobbyist builds, and production-ready designs alike.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Wireless Connectivity:\u003c\/strong\u003e Built-in Wi-Fi (802.11 b\/g\/n) and Bluetooth 4.2\/BLE for versatile communication options.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e32 Mbits (4MB) PSRAM:\u003c\/strong\u003e Ample memory for data-intensive applications, graphics buffers, and complex firmware.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4MB SPI Flash:\u003c\/strong\u003e Store your program code and user data with plenty of room to spare.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Antenna Options:\u003c\/strong\u003e Choose between IPEX (external antenna connector) or onboard PCB antenna for flexible RF performance in any enclosure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Breadboard-Friendly:\u003c\/strong\u003e Standard pin pitch design makes prototyping fast and easy on any breadboard or custom PCB.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Works seamlessly with Arduino IDE, ESP-IDF, MicroPython, and other popular development frameworks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Power Modes:\u003c\/strong\u003e Multiple sleep modes for battery-powered and energy-conscious applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGeneral Purpose Use:\u003c\/strong\u003e Ideal for home automation, sensor nodes, wearable electronics, robotics, and more.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChipset\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eESP32-S (Espressif)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlash Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4MB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePSRAM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 Mbits (4MB)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWireless Standard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWi-Fi 802.11 b\/g\/n + Bluetooth 4.2 \/ BLE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAntenna\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIPEX connector \u0026amp; PCB onboard antenna\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.3V\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\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × ESP32 ESP-WROOM-32 Wireless Module (ESP32-S)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGreat For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIoT prototyping and smart home automation\u003c\/li\u003e\n  \u003cli\u003eSensor data collection and transmission\u003c\/li\u003e\n  \u003cli\u003eRobotics and motor control projects\u003c\/li\u003e\n  \u003cli\u003eWearable and portable electronics\u003c\/li\u003e\n  \u003cli\u003eMakers, students, and professional embedded developers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLooking for more tools and accessories for your DIY projects? Check out our \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 or explore the \u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e to expand your electronics toolkit.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the IPEX and PCB antenna options on this ESP32 module?\u003c\/h4\u003e\n\u003cp\u003eA: The onboard \u003cstrong\u003ePCB antenna\u003c\/strong\u003e is integrated directly onto the module — no extra hardware needed and ideal for open-air or low-interference environments. The \u003cstrong\u003eIPEX connector\u003c\/strong\u003e allows you to attach an external antenna for extended range or when the module is enclosed in a metal or shielded housing where the PCB antenna's performance may be reduced.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this ESP32 ESP-WROOM-32 module compatible with the Arduino IDE?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The \u003cstrong\u003eESP32 ESP-WROOM-32\u003c\/strong\u003e is fully compatible with the Arduino IDE using the official Espressif Arduino core. It also supports \u003cstrong\u003eESP-IDF\u003c\/strong\u003e, \u003cstrong\u003eMicroPython\u003c\/strong\u003e, and \u003cstrong\u003ePlatformIO\u003c\/strong\u003e, making it one of the most flexible and widely-supported wireless microcontroller modules available.\u003c\/p\u003e\n\u003ch4\u003eQ: How much memory does this ESP32 module have?\u003c\/h4\u003e\n\u003cp\u003eA: This module includes \u003cstrong\u003e4MB of SPI Flash\u003c\/strong\u003e for program storage and \u003cstrong\u003e32 Mbits (4MB) of PSRAM\u003c\/strong\u003e for additional RAM, making it well-suited for memory-intensive applications such as image processing, large data buffers, or complex web server implementations.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use this module for battery-powered projects?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The ESP32 chipset features multiple low-power sleep modes (light sleep, deep sleep, and modem sleep), enabling very low current draw when idle. This makes the \u003cstrong\u003eESP32 ESP-WROOM-32\u003c\/strong\u003e an excellent choice for battery-operated IoT devices and remote sensor nodes.\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 the IPEX and PCB antenna options on this ESP32 module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The onboard PCB antenna is integrated directly onto the module — no extra hardware needed and ideal for open-air or low-interference environments. The IPEX connector allows you to attach an external antenna for extended range or when the module is enclosed in a metal or shielded housing where the PCB antenna's performance may be reduced.\"}}, {\"@type\": \"Question\", \"name\": \"Is this ESP32 ESP-WROOM-32 module compatible with the Arduino IDE?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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This makes the ESP32 ESP-WROOM-32 an excellent choice for battery-operated IoT devices and remote sensor nodes.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"ESP32 ESP-WROOM-32 Wireless Module | 4MB Flash 32Mb PSRAM\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/esp32-esp-wroom-32-wireless-module-4mb-flash-32mb-psram-ipex-pcb-antenna\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"ESP-WROOM-32","offer_id":44167191855191,"sku":"5:144170022#ESP-WROOM-32","price":9.46,"currency_code":"USD","in_stock":true},{"title":"ESP-32S","offer_id":44167191887959,"sku":"5:200004763#ESP-32S","price":9.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/S3e765db742474c94af432ffe76060f453.webp?v=1786759330","url":"https:\/\/axlcustomersupport.com\/products\/esp32-esp-wroom-32-wireless-module-4mb-flash-32mb-psram-ipex-pcb-antenna","provider":"Axl","version":"1.0","type":"link"}