{"product_id":"wifi-serial-transceiver-module-esp8266-esp-01-s-1m-flash","title":"WiFi Serial Transceiver Module - ESP8266 ESP-01 S (1M Flash)","description":"\u003ch1\u003eWiFi Serial Transceiver Module - ESP8266 ESP-01 S (1M Flash)\u003c\/h1\u003e\n\n\u003cp\u003eThe ESP8266 ESP-01 S is a WiFi serial transceiver module with 1MB flash memory, enabling wireless communication for microcontroller-based projects. It is designed for makers and engineers adding WiFi connectivity to Arduino, ESP32, or Raspberry Pi systems.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWiFi standard: 802.11 b\/g\/n\u003c\/li\u003e\n\u003cli\u003eFlash memory: 1MB\u003c\/li\u003e\n\u003cli\u003eOperating voltage: 3.3V\u003c\/li\u003e\n\u003cli\u003eLogic level: 3.3V\u003c\/li\u003e\n\u003cli\u003eInterface: UART (serial)\u003c\/li\u003e\n\u003cli\u003ePin count: 8 pins (2x4 header)\u003c\/li\u003e\n\u003cli\u003eDimensions: 25mm x 14mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eArduino (Uno, Mega, Nano)\u003c\/li\u003e\n\u003cli\u003eESP32\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi (any model)\u003c\/li\u003e\n\u003cli\u003eSTM32\u003c\/li\u003e\n\u003cli\u003eAny 3.3V logic microcontroller\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat you can build with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWiFi-enabled temperature and humidity sensor that sends data to a cloud dashboard\u003c\/li\u003e\n\u003cli\u003eSmart home relay controller for switching lights or appliances via smartphone\u003c\/li\u003e\n\u003cli\u003eIoT weather station logging real-time environmental data to a web server\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery ESP8266 ESP-01 S module from Compoden includes access to our AI build companion, delivered via QR code, email, or WhatsApp, which guides you through wiring and programming the module into a working project. With 10 years of experience supplying electronics to makers, schools, and engineering institutions across India, we ensure reliable components and practical support. Pay your way: UPI, cards, or Cash on Delivery, anywhere in India.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between ESP-01 and ESP-01 S?\u003c\/summary\u003e\n\u003cp\u003eThe ESP-01 S has 1MB flash memory, compared to the original ESP-01's 512KB. This provides more space for firmware and applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat payment options are available for the ESP8266 ESP-01 S?\u003c\/summary\u003e\n\u003cp\u003eYou can pay using UPI, credit\/debit cards, or Cash on Delivery (COD). All payment methods are available across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow long does delivery take?\u003c\/summary\u003e\n\u003cp\u003eWe ship the ESP8266 ESP-01 S across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Delivery typically takes 3-7 business days depending on your location.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cp\u003eBuy WiFi Serial Transceiver Module - ESP8266 ESP-01 S Online in India from Compoden, with COD and UPI available across India.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"WiFi Serial Transceiver Module - ESP8266 ESP-01 S (1M Flash)\",\n  \"description\": \"The ESP8266 ESP-01 S is a WiFi serial transceiver module with 1MB flash memory for IoT projects.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Generic\"\n  },\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"price\": \"307.4\",\n    \"priceCurrency\": \"INR\",\n    \"availability\": \"https:\/\/schema.org\/InStock\"\n  },\n  \"author\": {\n    \"@type\": \"Organization\",\n    \"name\": \"Compoden\"\n  },\n  \"mainEntityOfPage\": {\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n      {\n        \"@type\": \"Question\",\n        \"name\": \"What is the difference between ESP-01 and ESP-01 S?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"The ESP-01 S has 1MB flash memory, compared to the original ESP-01's 512KB. This provides more space for firmware and applications.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"What payment options are available for the ESP8266 ESP-01 S?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"You can pay using UPI, credit\/debit cards, or Cash on Delivery (COD). All payment methods are available across India.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"How long does delivery take?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"We ship the ESP8266 ESP-01 S across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Delivery typically takes 3-7 business days depending on your location.\"\n        }\n      }\n    ]\n  }\n}\n\u003c\/script\u003e","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53492630847853,"sku":"CDN-2332","price":400.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/wifi-serial-transceiver-module-esp8266-esp-01-s-1m-flash-9818977.jpg?v=1785259627","url":"https:\/\/compoden.com\/products\/wifi-serial-transceiver-module-esp8266-esp-01-s-1m-flash","provider":"Compoden","version":"1.0","type":"link"}