{"product_id":"ai-thinker-esp-07s-esp8266-serial-wifi-module","title":"Ai Thinker ESP-07S ESP8266 Serial WiFi Module","description":"\u003cmeta name=\"description\" content=\"Buy Ai Thinker ESP07S ESP8266 Serial WiFi Module online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\u003ch1\u003eAi Thinker ESP-07S ESP8266 Serial WiFi Module\u003c\/h1\u003e\n\u003cp\u003eAdd reliable, compact WiFi connectivity to your embedded projects with the Ai Thinker ESP-07S. Built around the proven ESP8266 chipset, this enhanced serial WiFi module features an improved ceramic antenna with optional U.FL (IPEX) external antenna connector, metal RF shielding, and 4MB flash memory - making it ideal for IoT devices, smart home systems, and wireless sensor networks where stable connectivity and compact form factor are critical. Available now from The Engineer Store, Bengaluru with fast shipping, 7-day warranty on manufacturing defects, and dedicated technical support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule\u003c\/td\u003e\n\u003ctd\u003eESP-07S (Enhanced version of ESP-07)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAi-Thinker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Chipset\u003c\/td\u003e\n\u003ctd\u003eESP8266EX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003eTensilica L106 32-bit RISC, 80\/160 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e4MB (32Mbit) SPI Flash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiFi Standard\u003c\/td\u003e\n\u003ctd\u003eIEEE 802.11 b\/g\/n (2.4 GHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiFi Modes\u003c\/td\u003e\n\u003ctd\u003eStation, SoftAP, Station + SoftAP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecurity Protocols\u003c\/td\u003e\n\u003ctd\u003eWPA\/WPA2-PSK, WEP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAntenna\u003c\/td\u003e\n\u003ctd\u003eOnboard ceramic antenna + U.FL (IPEX) connector for external antenna\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGPIO Pins\u003c\/td\u003e\n\u003ctd\u003e9 GPIOs (directly accessible via castellated pads)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterfaces\u003c\/td\u003e\n\u003ctd\u003eUART, SPI, I2C, PWM, ADC (1-channel, 10-bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUART Baud Rate\u003c\/td\u003e\n\u003ctd\u003eDefault 115200 bps (configurable up to 4608000 bps)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.0V - 3.6V (3.3V typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Current\u003c\/td\u003e\n\u003ctd\u003e~80mA average (transmitting peak ~170mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeep Sleep Current\u003c\/td\u003e\n\u003ctd\u003e~20uA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e+20 dBm (802.11b mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 degreesC to +85 degreesC (industrial grade)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Dimensions\u003c\/td\u003e\n\u003ctd\u003e17mm x 16mm x 3mm (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Type\u003c\/td\u003e\n\u003ctd\u003eSMD with castellated edge pads and metal RF shield\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware\u003c\/td\u003e\n\u003ctd\u003eShips with AT command firmware (supports Arduino IDE, MicroPython, NodeMCU\/Lua, ESP-IDF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eFCC, CE, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eWiFi Module \/ IoT Component\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal Ai-Thinker \/ Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced ESP-07 Design:\u003c\/strong\u003e The ESP-07S is the improved successor to the ESP-07, featuring better RF performance, upgraded 4MB flash (vs. 512KB in original), and refined pin layout for easier PCB integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Antenna Options:\u003c\/strong\u003e Onboard ceramic antenna for compact deployments plus U.FL (IPEX) connector for attaching an external antenna when extended range is needed - switch between them effortlessly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal RF Shielding:\u003c\/strong\u003e Full metal shield enclosure minimizes electromagnetic interference, ensuring stable wireless performance even in electrically noisy environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4MB Flash Memory:\u003c\/strong\u003e Generous 4MB SPI flash accommodates complex firmware, OTA updates, file systems (SPIFFS\/LittleFS), and data logging without running out of space\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Compact Form Factor:\u003c\/strong\u003e At just 17mm x 16mm, the ESP-07S fits into space-constrained designs - perfect for wearables, miniature sensors, and embedded products\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Temperature Range:\u003c\/strong\u003e Rated from -40 degreesC to +85 degreesC, suitable for outdoor installations, industrial monitoring, and harsh environment deployments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Power Modes:\u003c\/strong\u003e Deep sleep current of ~20uA enables battery-powered applications with months of standby life on a single charge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCastellated Edge Pads:\u003c\/strong\u003e SMD-friendly castellated pads allow direct soldering to carrier PCBs for production-grade assemblies - no through-hole headers required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull TCP\/IP Stack:\u003c\/strong\u003e Integrated networking stack supports TCP, UDP, HTTP, MQTT, and more - connect to cloud platforms without an external MCU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Platform Compatibility:\u003c\/strong\u003e Program using Arduino IDE, MicroPython, NodeMCU Lua, ESP-IDF, or use AT commands for UART-based control from any microcontroller\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose the ESP-07S?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e100% Authentic Ai-\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy Ai Thinker ESP-07S ESP8266 Serial WiFi Module Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eAi Thinker ESP-07S ESP8266 Serial WiFi Module\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eAi Thinker ESP-07S ESP8266 Serial WiFi Module\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003eAi Thinker ESP-07S ESP8266 Serial WiFi Module\u003c\/strong\u003e at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43720274182307,"sku":"TES-EV2333","price":636.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/1691486791482-0a0b3c00f0c64fc2-1E539EB5D13D4D15B1CBF3423001CAFB.jpg?v=1699528720","url":"https:\/\/www.theengineerstore.in\/or\/products\/ai-thinker-esp-07s-esp8266-serial-wifi-module","provider":"The Engineer Store","version":"1.0","type":"link"}