DescriptionESP8266 WiFi Development Board with CP2102 USB InterfaceThe ESP8266 WiFi Development Board is an open-source IoT development board built around the ESP8266EX processor and ESP-12E module. Equipped with the reliable CP2102 USB-to-Serial converter, it provides stable USB communication and easy programming on Windows, macOS, and Linux.Choose between Micro USB or USB Type-C versions according to your project requirements. Both variants offer identical performance, making them excellent choices for Arduino development, ESPHome devices, MQTT applications, smart home automation, wireless sensors, and cloud-connected embedded systems.ESP8266 WiFi Development Board FeaturesESP8266EX 32-bit WiFi MCUESP-12E wireless moduleCP2102 USB-to-UART converterAvailable in Micro USB and USB Type-C versions802.11 b/g/n WiFi4MB Flash Memory80MHz CPU (up to 160MHz supported)Breadboard-friendly designAuto Reset & Auto Program CircuitSupports Arduino IDE, Lua, PlatformIO and ESPHomeIntegrated PCB AntennaLow power operationStable USB communicationMultiple GPIO interfacesIdeal for IoT development and rapid prototypingESP8266 WiFi Development Board SpecificationsItemSpecificationProductESP8266 WiFi Development BoardModuleESP-12EMCUESP8266EXUSB InterfaceCP2102USB ConnectorMicro USB / USB Type-CWiFi StandardIEEE 802.11 b/g/nOperating Voltage3.3VInput Voltage5V USBCPU Frequency80MHz (up to 160MHz)Flash Memory4MBSRAM64KBDigital GPIO11Analog Input1 (10-bit ADC)CommunicationUART / SPI / I2C / PWMAntennaPCB AntennaProgrammingArduino IDE / Lua / PlatformIOWireless ModeSTA / AP / STA APDimensionsApprox. 49 × 26 mmApplicationsThis ESP8266 WiFi Development Board is suitable for:Smart Home AutomationESPHome ProjectsHome Assistant DevicesWireless Sensor NetworksIoT GatewayRemote MonitoringArduino LearningRoboticsMQTT ApplicationsCloud Data CollectionDIY ElectronicsEmbedded DevelopmentPackage Includes1 × ESP8266 WiFi Development BoardUSB cable not includedFAQQ1: What is the difference between the Micro USB and USB Type-C versions?The only difference is the USB connector. Both versions use the same ESP8266EX processor, CP2102 USB interface, and offer identical performance.Q2: Does this board use the CP2102 USB chip?Yes. It features the genuine CP2102 USB-to-UART bridge for reliable programming and serial communication.Q3: Is this board compatible with Arduino IDE?Yes. It is fully compatible with Arduino IDE after installing the ESP8266 board package.Q4:  Can I use this board with ESPHome?Yes. It works perfectly with ESPHome and Home Assistant projects.Q5: Is Lua firmware supported?Yes. The board supports NodeMCU Lua firmware as well as Arduino IDE and PlatformIO.Related ProductsYou may also be interested in:ESP32 Development BoardsArduino UNO R3Relay ModulesBreadboardsDupont Jumper WiresOLED Display ModulesDHT11 & DHT22 SensorsLearn MoreFor more information regarding ESP8266 WiFi Development Board, click here to view the tutorial video.