ESP8266 Arduino Tutorial 2 – Create the First Program

Driver Installation

In the previous tutorial, the Arduino IDE has been installed. In this tutorial, we will create the first program. This program uses the on-board LED on ESP-12E module. The LED will blink every 1 s. Before we go to the programming, we must install the NodeMCU USB driver. The step-by-step how to install the NodeMCU driver is described as the following:

  • Download NodeMCU driver from this link.
  • Connect NodeMCU board to the USB port.
  • Run the driver installer file: CH341SER.EXE, and install the driver.

NodeMCU Driver

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ESP8266 Arduino Tutorial 1 – IDE Installation

ESP8266

ESP8266 is a low-cost Wi-Fi System-on-Chip (SoC) produced by Espressif Systems, a Shanghai-based Chinese fabless semiconductor company. The ESP8266 chip is shown in the following figure. It consists of a Wi-Fi transceiver with full TCP/IP stack and a microcontroller. It uses IEEE 802.11 b/g/n Wi-Fi standard, which is generally used in our daily life. It has 32-bit Tensilica RISC processor that runs at 80 MHz. It has several peripherals such as GPIO, I2C, SPI, UART, ADC, etc.

ESP8266 chip

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