{"product_id":"esp32-wroom-32u-wifi-bluetooth-module","title":"ESP32-WROOM-32U WiFi Bluetooth Module","description":"\n\u003ch2\u003eESP32-WROOM-32U WiFi + Bluetooth Module – External IPEX Antenna Connector\u003c\/h2\u003e\n\n\u003cp\u003eBuy the \u003cstrong\u003eESP32-WROOM-32U External Antenna WiFi and Bluetooth Module\u003c\/strong\u003e online in Pakistan from \u003cstrong\u003eRobostan.pk\u003c\/strong\u003e. Manufactured by Espressif Systems, this compact wireless microcontroller module combines a powerful dual-core processor, 2.4GHz WiFi, Bluetooth Classic, and Bluetooth Low Energy connectivity for IoT, robotics, industrial automation, and embedded electronics projects.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing an \u003cstrong\u003eexternal IPEX\/U.FL antenna connector and 4MB, 8MB, or 16MB Flash memory options\u003c\/strong\u003e, the ESP32-WROOM-32U provides a flexible wireless development platform for custom PCB designs and connected electronic devices.\u003c\/p\u003e\n\n\u003cp\u003eUnlike the ESP32-WROOM-32D module, which uses a built-in PCB antenna, the \u003cstrong\u003eESP32-WROOM-32U supports an external antenna\u003c\/strong\u003e, allowing engineers to select a compatible antenna suitable for their installation requirements.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOriginal Espressif ESP32-WROOM-32U module family\u003c\/li\u003e\n\u003cli\u003ePowerful dual-core 32-bit Xtensa LX6 processor\u003c\/li\u003e\n\u003cli\u003eMaximum processor frequency up to 240MHz\u003c\/li\u003e\n\u003cli\u003eBuilt-in 2.4GHz WiFi connectivity\u003c\/li\u003e\n\u003cli\u003eSupports IEEE 802.11 b\/g\/n wireless standards\u003c\/li\u003e\n\u003cli\u003eBluetooth 4.2 Classic and Bluetooth Low Energy support\u003c\/li\u003e\n\u003cli\u003eExternal IPEX\/U.FL-compatible antenna connector\u003c\/li\u003e\n\u003cli\u003eAvailable 4MB, 8MB, and 16MB Flash memory variants\u003c\/li\u003e\n\u003cli\u003e520KB on-chip SRAM\u003c\/li\u003e\n\u003cli\u003eMultiple programmable GPIO connections\u003c\/li\u003e\n\u003cli\u003eSupports UART, SPI, I2C, I2S, PWM, ADC, and DAC interfaces\u003c\/li\u003e\n\u003cli\u003eIntegrated capacitive touch sensing capability\u003c\/li\u003e\n\u003cli\u003eLow-power operating and sleep modes\u003c\/li\u003e\n\u003cli\u003eCompact surface-mount module design\u003c\/li\u003e\n\u003cli\u003eCompatible with Arduino IDE and ESP-IDF\u003c\/li\u003e\n\u003cli\u003eSuitable for custom IoT and embedded electronics development\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e ESP32-WROOM-32U WiFi Bluetooth Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Espressif Systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Model:\u003c\/strong\u003e ESP32-WROOM-32U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicrocontroller:\u003c\/strong\u003e ESP32-D0WD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessor Architecture:\u003c\/strong\u003e 32-Bit Xtensa LX6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCPU:\u003c\/strong\u003e Dual-Core\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Clock Speed:\u003c\/strong\u003e 240MHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlash Memory Options:\u003c\/strong\u003e 4MB \/ 8MB \/ 16MB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal SRAM:\u003c\/strong\u003e 520KB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiFi Standard:\u003c\/strong\u003e IEEE 802.11 b\/g\/n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiFi Frequency:\u003c\/strong\u003e 2.4GHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth:\u003c\/strong\u003e Bluetooth 4.2 BR\/EDR and BLE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAntenna Type:\u003c\/strong\u003e External Antenna Required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAntenna Connector:\u003c\/strong\u003e U.FL \/ IPEX MHF I Compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Antenna Impedance:\u003c\/strong\u003e 50 Ohms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 3.0V to 3.6V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Supply Voltage:\u003c\/strong\u003e 3.3V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGPIO:\u003c\/strong\u003e Up to 32 GPIO Signals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterfaces:\u003c\/strong\u003e UART, SPI, I2C, I2S, PWM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog Interfaces:\u003c\/strong\u003e ADC and DAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40°C to +85°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Dimensions:\u003c\/strong\u003e 18 x 19.2 x 3.2mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Surface Mount (SMD)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgramming:\u003c\/strong\u003e UART with Compatible Programming Circuit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAvailable Flash Memory Variants\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4MB Flash:\u003c\/strong\u003e Suitable for standard WiFi, Bluetooth, and IoT applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8MB Flash:\u003c\/strong\u003e Provides additional storage for larger firmware and application resources.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16MB Flash:\u003c\/strong\u003e Suitable for applications requiring additional program or data storage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Flash capacity depends on the exact product variant. Select the correct memory option according to your project requirements and available stock.\u003c\/p\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInternet of Things (IoT) devices\u003c\/li\u003e\n\u003cli\u003eSmart home automation systems\u003c\/li\u003e\n\u003cli\u003eIndustrial wireless monitoring\u003c\/li\u003e\n\u003cli\u003eWiFi sensor networks\u003c\/li\u003e\n\u003cli\u003eBluetooth communication devices\u003c\/li\u003e\n\u003cli\u003eRobotics and automation projects\u003c\/li\u003e\n\u003cli\u003eWireless environmental monitoring\u003c\/li\u003e\n\u003cli\u003eSmart agriculture systems\u003c\/li\u003e\n\u003cli\u003eRemote data logging equipment\u003c\/li\u003e\n\u003cli\u003eCustom PCB and embedded system design\u003c\/li\u003e\n\u003cli\u003eWireless control systems\u003c\/li\u003e\n\u003cli\u003eConnected electronic products\u003c\/li\u003e\n\u003cli\u003eEducational engineering projects\u003c\/li\u003e\n\u003cli\u003eDIY electronics development\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eExternal IPEX\/U.FL Antenna Connection\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eESP32-WROOM-32U\u003c\/strong\u003e features a miniature RF connector designed for connecting a compatible external 2.4GHz antenna.\u003c\/p\u003e\n\n\u003cp\u003eUnlike modules with fixed PCB antennas, this design allows developers to select an appropriate external antenna for different product enclosures and installation conditions.\u003c\/p\u003e\n\n\u003cp\u003eExternal antenna selection can be particularly useful when the module is installed inside a device housing or when antenna placement needs to be optimized.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Use a suitable 2.4GHz, 50-ohm antenna with the correct IPEX\/U.FL-compatible connector. Wireless performance depends on antenna selection, installation, interference, and the operating environment.\u003c\/p\u003e\n\n\u003ch3\u003eWiFi and Bluetooth Connectivity\u003c\/h3\u003e\n\n\u003cp\u003eThe ESP32-WROOM-32U integrates both WiFi and Bluetooth wireless technologies, making it suitable for applications that require network connectivity and communication with compatible wireless devices.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWiFi Features:\u003c\/strong\u003e Supports wireless networking, data transmission, local web servers, and IoT communication.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBluetooth Features:\u003c\/strong\u003e Supports Bluetooth Classic and Bluetooth Low Energy for compatible wireless communication applications.\u003c\/p\u003e\n\n\u003ch3\u003eArduino IDE and ESP-IDF Programming\u003c\/h3\u003e\n\n\u003cp\u003eThe module can be programmed using compatible ESP32 development environments, including \u003cstrong\u003eArduino IDE and Espressif ESP-IDF\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eDevelopers can create custom WiFi devices, Bluetooth controllers, smart monitoring systems, and connected electronic applications.\u003c\/p\u003e\n\n\u003cp\u003eBecause this is a standalone surface-mount module, a suitable carrier PCB, regulated power supply, programming interface, and boot circuitry are required.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose ESP32-WROOM-32U?\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eFlexible Antenna Integration:\u003c\/strong\u003e The external RF connector allows developers to choose a suitable antenna rather than relying on an integrated PCB antenna.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePowerful Processing:\u003c\/strong\u003e The dual-core processor provides up to 240MHz processing capability for embedded applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMultiple Memory Options:\u003c\/strong\u003e Available Flash variants provide flexibility for different firmware and storage requirements.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDual Wireless Connectivity:\u003c\/strong\u003e Built-in WiFi and Bluetooth reduce the need for separate wireless communication modules.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompact Design:\u003c\/strong\u003e Its small SMD footprint makes it suitable for custom PCB designs and space-constrained embedded products.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Usage Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUse a properly regulated 3.3V power supply.\u003c\/li\u003e\n\u003cli\u003eDo not apply 5V directly to the module's power supply or GPIO pins.\u003c\/li\u003e\n\u003cli\u003eThe external antenna is required for normal wireless operation.\u003c\/li\u003e\n\u003cli\u003eUse the correct antenna connector and RF frequency.\u003c\/li\u003e\n\u003cli\u003eA USB-to-UART programming interface is required for standard serial programming.\u003c\/li\u003e\n\u003cli\u003eThis is a standalone module, not a complete USB development board.\u003c\/li\u003e\n\u003cli\u003eVerify the Flash memory capacity of the supplied module.\u003c\/li\u003e\n\u003cli\u003eCheck the official datasheet before finalizing a custom PCB layout.\u003c\/li\u003e\n\u003cli\u003eActual RF performance depends on antenna installation and environmental conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBuy ESP32-WROOM-32U Module in Pakistan\u003c\/h3\u003e\n\n\u003cp\u003eLooking for an \u003cstrong\u003eESP32-WROOM-32U External Antenna WiFi Bluetooth Module in Pakistan\u003c\/strong\u003e? Shop online at \u003cstrong\u003eRobostan.pk\u003c\/strong\u003e for ESP32 modules, ESP8266 boards, wireless communication components, Arduino controllers, sensors, and robotics accessories.\u003c\/p\u003e\n\n\u003cp\u003eFind suitable microcontrollers and electronics components for embedded development, robotics, industrial automation, and IoT applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOrder your ESP32-WROOM-32U Module online from Robostan.pk\u003c\/strong\u003e with nationwide delivery across Pakistan, including Lahore, Karachi, Islamabad, Rawalpindi, Faisalabad, Multan, Peshawar, and other cities.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRobostan.pk – Build. Innovate. Create.\u003c\/strong\u003e\u003c\/p\u003e\n","brand":"ROBOSTAN","offers":[{"title":"Default Title","offer_id":68148890468718,"sku":null,"price":950.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/7391\/8062\/files\/ChatGPTImageNov12_2026_03_29_38PM-3.png?v=1794482612","url":"https:\/\/robostan.pk\/products\/esp32-wroom-32u-wifi-bluetooth-module","provider":"ROBOSTAN","version":"1.0","type":"link"}