NodeMcu ESP8266 CH340G Development BoardThe NodeMcu ESP8266 CH340G Development Board is a popular IoT development platform that combines the ESP8266 WiFi module with a USB-to-serial converter based on the CH340G chip. This board is widely used for building IoT applications due to its low cost, ease of use, and strong community support. Here are the detailed specifications and features:SpecificationsMicrocontroller: ESP8266Operating Voltage: 3.3VInput Voltage (Vin): 4.5V to 10V (typically 5V via USB)Digital I/O Pins: 11 (GPIOs)Analog Input Pins: 1 (0V to 3.3V input range)Flash Memory: 4MB (32Mb)SRAM: 64KBClock Speed: 80MHz (can be overclocked to 160MHz)USB to Serial Converter: CH340GWiFi Standards: 802.11 b/g/nOperating Current: Average 80mADimensions: Typically around 50mm x 25mm x 13mmPin ConfigurationVin: External power supply (4.5V-10V)3V3: 3.3V outputGND: GroundRST: ResetEN: Chip enable (active high)D0-D8: GPIO pinsA0: Analog inputTX: UART TransmitRX: UART ReceiveFeaturesBuilt-in WiFi: Integrated 802.11 b/g/n WiFi transceiver with full TCP/IP stack and microcontroller capability.USB to Serial Communication: CH340G USB-to-serial converter for easy programming and communication with a computer.Compatibility: Compatible with the Arduino IDE, allowing for easy programming with Arduino libraries and tools.Deep Sleep Mode: Supports deep sleep mode for low power consumption.Breadboard-Friendly: The compact design and pin layout make it suitable for breadboard use.Lua Scripting Support: Supports NodeMcu firmware for programming with Lua scripting language.NodeMCU Development Board Pinout ConfigurationPin CategoryNameDescriptionPowerMicro-USB, 3.3V, GND, VinMicro-USB: NodeMCU can be powered through the USB port 3.3V: Regulated 3.3V can be supplied to this pin to power the board GND: Ground pins Vin: External Power SupplyControl PinsEN, RSTThe pin and the button resets the microcontrollerAnalog PinA0Used to measure analog voltage in the range of 0-3.3VGPIO PinsGPIO1 to GPIO16NodeMCU has 16 general purpose input-output pins on its boardSPI PinsSD1, CMD, SD0, CLKNodeMCU has four pins available for SPI communication.UART PinsTXD0, RXD0, TXD2, RXD2NodeMCU has two UART interfaces, UART0 (RXD0 & TXD0) and UART1 (RXD1 & TXD1). UART1 is used to upload the firmware/program.I2C PinsNodeMCU has I2C functionality support but due to the internal functionality of these pins, you have to find which pin is I2C.https://lk-tronics.com/wp-content/uploads/2020/08/LKMIC00007_Node-MCU-CH340G_edited-1.mp4 SKU: LKMIC00007 Categories: Microcontrollers, Node Mcu Tags: ch340, Engineering Development Tools, ESP Modules / NodeMcu, Internet Development Board, Internet of Things, IOT, iot in sri lanka, Lua script, Modules, NodeMcu, nodemcu in Sri lanka, Other, RF / Wireless, wifi
