{"product_id":"esp01-esp8266-wifi-module","title":"ESP-01 ESP8266 WiFi Module","description":"\u003ch2\u003eESP-01 ESP8266 Serial WiFi Module\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eESP-01\u003c\/strong\u003e is the most compact and widely used WiFi module based on the \u003cstrong\u003eESP8266\u003c\/strong\u003e chipset. It enables any microcontroller with a UART interface — including Arduino, STM32, and PIC — to connect to a WiFi network using simple AT commands, making it a go-to choice for adding wireless connectivity to embedded projects.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChipset:\u003c\/strong\u003e ESP8266EX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiFi Standard:\u003c\/strong\u003e 802.11 b\/g\/n (2.4 GHz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 3.3V (not 5V tolerant — use a level shifter)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlash Memory:\u003c\/strong\u003e 1 MB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGPIO Pins:\u003c\/strong\u003e 2 × GPIO (GPIO0, GPIO2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e UART (TX, RX) with AT command set\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAntenna:\u003c\/strong\u003e Onboard PCB antenna\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModes:\u003c\/strong\u003e Station, Access Point, Station+AP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 24.75mm × 14.5mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAdding WiFi to Arduino or other microcontrollers via AT commands\u003c\/li\u003e\n\u003cli\u003eLow-power IoT sensor nodes\u003c\/li\u003e\n\u003cli\u003eSmart home relay control\u003c\/li\u003e\n\u003cli\u003eSerial WiFi bridges and gateways\u003c\/li\u003e\n\u003cli\u003eStandalone ESP8266 projects (programmable via Arduino IDE)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProgramming \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUse as a \u003cstrong\u003eWiFi co-processor\u003c\/strong\u003e with AT firmware (default)\u003c\/li\u003e\n\u003cli\u003eFlash with \u003cstrong\u003ecustom firmware\u003c\/strong\u003e using Arduino IDE or NodeMCU\u003c\/li\u003e\n\u003cli\u003eSupports \u003cstrong\u003eMicroPython\u003c\/strong\u003e and \u003cstrong\u003eLua (NodeMCU)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eRequires a \u003cstrong\u003e3.3V power supply\u003c\/strong\u003e and USB-to-TTL adapter for programming\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Includes\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 × ESP-01 ESP8266 WiFi Module\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eNote: A 3.3V power source is required. Do not connect directly to 5V Arduino pins without a voltage divider or level shifter.\u003c\/em\u003e\u003c\/p\u003e","brand":"MCU Store","offers":[{"title":"Default Title","offer_id":47196837970092,"sku":null,"price":0.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/0214\/4940\/files\/ESP01ESP01ESP8266WiFiModule.jpg?v=1789282605","url":"https:\/\/www.mcustore.com\/products\/esp01-esp8266-wifi-module","provider":"My Store","version":"1.0","type":"link"}