{"product_id":"esp8266-esp-12e-uart-wifi-wireless-shield-ttl-converter-for-arduino-uno-r3-mega","title":"Uno+WiFi R3 AtMega328p+NodeMCU ESP8266 4mb Memory USB-TTL CH340G Compatible for Arduino UNO","description":"\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003eUno + WiFi R3 ATmega328P + NodeMCU ESP8266 (4MB) USB-TTL CH340G Compatible Board\u003c\/h2\u003e\n\u003cdiv\u003eThe \u003cstrong\u003eUno + WiFi R3 Development Board\u003c\/strong\u003e is a fully integrated solution that combines an \u003cstrong\u003eATmega328P (Arduino UNO R3)\u003c\/strong\u003e and a \u003cstrong\u003eNodeMCU ESP8266 Wi-Fi module\u003c\/strong\u003e with \u003cstrong\u003e4 MB flash memory\u003c\/strong\u003e on a single board. \u003cbr\u003e\u003cbr\u003eBoth microcontrollers can work \u003cstrong\u003etogether or independently\u003c\/strong\u003e, and each has its own dedicated pin headers for connecting sensors, modules, and peripherals. This makes the board highly flexible for IoT and Wi-Fi-based projects. \u003cbr\u003e\u003cbr\u003eThe board features an onboard \u003cstrong\u003eCH340G USB-to-TTL converter\u003c\/strong\u003e, allowing firmware and sketch uploads to both the ATmega328P and ESP8266 via USB. A built-in \u003cstrong\u003eDIP switch\u003c\/strong\u003e is provided to easily select different communication and programming modes between the microcontrollers and USB interface. \u003cbr\u003e\u003cbr\u003eThis board is a modernized version of the classic Arduino UNO R3, offering seamless Wi-Fi integration for advanced development and prototyping applications.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eDIP Switch Configuration\u003c\/h3\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eATmega328 ↔ ESP8266 Communication: ON, ON, OFF, OFF, OFF, OFF, OFF\u003c\/li\u003e\n\u003cli\u003eUSB ↔ ATmega328: OFF, OFF, ON, ON, OFF, OFF, OFF\u003c\/li\u003e\n\u003cli\u003eUSB ↔ ESP8266 (Firmware \/ Sketch Upload): OFF, OFF, OFF, OFF, ON, ON, ON\u003c\/li\u003e\n\u003cli\u003eUSB ↔ ESP8266 (Communication Mode): OFF, OFF, OFF, OFF, ON, ON, OFF\u003c\/li\u003e\n\u003cli\u003eAll Modules Independent: OFF, OFF, OFF, OFF, OFF, OFF, OFF\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eFeatures\u003c\/h3\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eFull integration of ATmega328P and ESP8266 Wi-Fi module on one board\u003c\/li\u003e\n\u003cli\u003eOnboard USB-TTL serial converter (CH340G)\u003c\/li\u003e\n\u003cli\u003eSupports independent or combined operation of both microcontrollers\u003c\/li\u003e\n\u003cli\u003eBuilt-in DIP switch for easy mode selection\u003c\/li\u003e\n\u003cli\u003eUSB powered (5V, up to 500 mA)\u003c\/li\u003e\n\u003cli\u003eLogic level: 5V\u003c\/li\u003e\n\u003cli\u003e14 Digital I\/O pins and 6 Analog input pins\u003c\/li\u003e\n\u003cli\u003eSupports Wi-Fi 802.11 b\/g\/n (2.4 GHz)\u003c\/li\u003e\n\u003cli\u003eWide operating temperature range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eItem Type: Development Board\u003c\/li\u003e\n\u003cli\u003eBoard Type: Uno\u003c\/li\u003e\n\u003cli\u003eMicrocontroller: ATmega328P\u003c\/li\u003e\n\u003cli\u003eWi-Fi Module: ESP8266 (NodeMCU)\u003c\/li\u003e\n\u003cli\u003eFlash Memory: 4 MB\u003c\/li\u003e\n\u003cli\u003eOperating Voltage: 5 V\u003c\/li\u003e\n\u003cli\u003eInput Voltage (VIN \/ DC Jack): 9 – 24 V\u003c\/li\u003e\n\u003cli\u003eInput Voltage (Logic): 3.3 – 5 V\u003c\/li\u003e\n\u003cli\u003eCurrent Consumption: Approx. 800 mA\u003c\/li\u003e\n\u003cli\u003eUSB-to-Serial Converter: CH340G\u003c\/li\u003e\n\u003cli\u003eUSB Interface: Micro USB\u003c\/li\u003e\n\u003cli\u003eClock Frequency: 16 MHz\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: −40°C to +125°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePhysical Attributes\u003c\/h3\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eLength: 70 mm\u003c\/li\u003e\n\u003cli\u003eWidth: 53.5 mm\u003c\/li\u003e\n\u003cli\u003eHeight: 15 mm\u003c\/li\u003e\n\u003cli\u003eWeight: Approx. 22g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eApplications\u003c\/h3\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eIoT and Wi-Fi based projects\u003c\/li\u003e\n\u003cli\u003eArduino UNO and ESP8266 combined applications\u003c\/li\u003e\n\u003cli\u003eHome automation systems\u003c\/li\u003e\n\u003cli\u003eWireless sensor networks\u003c\/li\u003e\n\u003cli\u003eEducational, DIY, and prototyping projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e1 × Uno + WiFi R3 ATmega328P + NodeMCU ESP8266 (4MB) USB-TTL CH340G Development Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"KitsGuru","offers":[{"title":"Default Title","offer_id":40708929650869,"sku":"KG602","price":256.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/products\/esp8266-esp-12e-uart-wifi-wireless-shield-ttl-converter-for-arduino-uno-r3-mega-1.jpg?v=1768995963","url":"https:\/\/kitsguru.com\/fr\/products\/esp8266-esp-12e-uart-wifi-wireless-shield-ttl-converter-for-arduino-uno-r3-mega","provider":"KitsGuru","version":"1.0","type":"link"}