{"product_id":"esp8266-esp-03-module","title":"ESP8266 ESP-03 WIFI Module","description":"\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eESP8266 ESP-03 WIFI Module\u003c\/span\u003e\u003c\/h2\u003e\nThis product is the ESP8266 serial WiFi module ESP-11. The ESP8266 is a complete, on-chip WiFi solution that can also be connected to a host processor such as a microcontroller. Since everything related to WiFi is handled on the chip, it reduces the load on the microcontroller when connecting to a network.\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eTechnical Details\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eCommunication Interface Voltage: 3.3V\u003c\/li\u003e\n\u003cli\u003eIO Port Package: SMD , the pin pitch is 1.27mm\u003c\/li\u003e\n\u003cli\u003eAntenna Type: Built-in ceramic antenna\u003c\/li\u003e\n\u003cli\u003eWireless Network Mode: Station\/softAP\/SoftAP+station\u003c\/li\u003e\n\u003cli\u003eWireless Criteria: 802.11b\/g\/n\u003c\/li\u003e\n\u003cli\u003eWIFI: @2.4 GHz, support for WPA\/WPA2 security mode\u003c\/li\u003e\n\u003cli\u003eOperating Voltage: 3.3VDC\u003c\/li\u003e\n\u003cli\u003eOperating Current: 240mA (MAX)\u003c\/li\u003e\n\u003cli\u003e802.11 b\/g\/n\u003c\/li\u003e\n\u003cli\u003eWi-Fi Direct (P2P), soft-AP\u003c\/li\u003e\n\u003cli\u003eStack TCP\/IP integrated\u003c\/li\u003e\n\u003cli\u003e+19.5 dBm output power in 802.11b\u003c\/li\u003e\n\u003cli\u003eSDIO 1.1\/2.0, SPI, UART\u003c\/li\u003e\n\u003cli\u003eSTBC, 1 x 1 MIMO, 2 x 1 MIMO\u003c\/li\u003e\n\u003cli\u003eA-MPDU \u0026amp; A-MSDU aggregation \u0026amp; 0.4 ms guard interval\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions: 21mm x 13.2mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePin Out\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eVIN: +3.3 V DC Input Supply\u003c\/li\u003e\n\u003cli\u003eGPIO2: Other\u003c\/li\u003e\n\u003cli\u003eGPIO0: Bootloader, for Firmware updates\u003c\/li\u003e\n\u003cli\u003eTX: Transmit\u003c\/li\u003e\n\u003cli\u003eRX: Received\u003c\/li\u003e\n\u003cli\u003eRESET: Reset pin\u003c\/li\u003e\n\u003cli\u003eENABLE: Enable the WiFi (Active-HIGH)\u003c\/li\u003e\n\u003cli\u003eGND: Ground\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eFeatures\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eCompact size designed for space-constrained applications.\u003c\/li\u003e\n\u003cli\u003eIncludes 802.11 b\/g\/n protocol support.\u003c\/li\u003e\n\u003cli\u003eBuilt-in ceramic antenna for stable signal reception and transmission.\u003c\/li\u003e\n\u003cli\u003eSupports Station, SoftAP, and SoftAP+Station wireless network modes.\u003c\/li\u003e\n\u003cli\u003eBuilt-in TCP\/IP stack reduces load on external microcontrollers.\u003c\/li\u003e\n\u003cli\u003e+19.5 dBm output power in 802.11b mode.\u003c\/li\u003e\n\u003cli\u003eProvides versatile interfaces including SDIO 1.1\/2.0, SPI, and UART.\u003c\/li\u003e\n\u003cli\u003eLow power consumption, ideal for battery-operated devices.\u003c\/li\u003e\n\u003cli\u003eSupports robust WPA\/WPA2 security protocols.\u003c\/li\u003e\n\u003cli\u003eEquipped with GPIO, TX, RX, Reset, and Enable pins.\u003c\/li\u003e\n\u003cli\u003eFeatures A-MPDU and A-MSDU support with a 0.4 ms guard interval.\u003c\/li\u003e\n\u003cli\u003eSuitable for IoT devices, smart home automation, and industrial wireless control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eApplications :\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Home Control:\u003c\/strong\u003e Enables automation and control of home appliances, lights, and security systems remotely via Wi-Fi.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIoT Data Logging:\u003c\/strong\u003e Collects and logs sensor data to cloud servers or local databases for real-time monitoring and analysis.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWi-Fi Repeater:\u003c\/strong\u003e Extends the range of existing Wi-Fi networks by acting as a repeater or bridge.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWireless Serial Communication:\u003c\/strong\u003e Facilitates wireless communication between devices using UART, enabling remote configuration and control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemote Equipment Monitoring:\u003c\/strong\u003e Monitors the status and performance of industrial or consumer devices from remote locations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFirmware Updates (OTA):\u003c\/strong\u003e Allows over-the-air firmware updates, enabling easy maintenance and upgrades without physical access.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnergy Monitoring:\u003c\/strong\u003e Tracks and reports energy usage in smart grids, home energy systems, or industrial setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWearable Devices:\u003c\/strong\u003e Integrates into wearable gadgets for real-time data transfer and internet connectivity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart Locks and CCTV:\u003c\/strong\u003e Provides wireless connectivity for smart locking mechanisms and security camera systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnvironmental and Smart City Systems:\u003c\/strong\u003e Supports data collection and communication for environmental monitoring and smart city applications like air quality monitoring and traffic control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePin-outs \u003c\/h3\u003e\n\u003cdiv style=\"text-align: start;\" id=\"p_info\"\u003e\n\u003cp\u003e\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/pin_out_313fe7e1-e6f5-48c9-982c-2662b3525943.jpg?v=1736745781\" alt=\"ESP8266 ESP-03 WIFI Module\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePhysical Attributes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eWeight (gm): 1\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions: 21mm x 13.2mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e1 x ESP8266 ESP-03 WIFI Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KitsGuru","offers":[{"title":"Default Title","offer_id":40708838686901,"sku":"KG056","price":229.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/ESP8266ESP-03WIFIModule.jpg?v=1736763565","url":"https:\/\/kitsguru.com\/fr\/products\/esp8266-esp-03-module","provider":"KitsGuru","version":"1.0","type":"link"}