ESP8266 (NodeMCU)

Description

🔹 Key Features

• Built-in 2.4 GHz Wi-Fi (802.11 b/g/n)

• Easy USB programming & power

• Multiple GPIOs for sensors and actuators

• Supports UART, SPI, and I2C

• Low power consumption modes

• Breadboard-friendly design

• Large open-source community support

🔹 Technical Specifications

• Chipset: ESP8266

• CPU: 32-bit Tensilica L106

• Clock Speed: 80 MHz (up to 160 MHz)

• Operating Voltage: 3.3 V

• Input Voltage (USB/VIN): 4.5 – 10 V

• Flash Memory: 4 MB (typical)

• SRAM: ~50 KB usable

• GPIO Pins: Up to 11

• ADC: 10-bit (1 channel)

• Wi-Fi: 802.11 b/g/n

• USB Interface: Micro-USB

🔹 Applications

• IoT & smart home projects 🌐

• Wi-Fi controlled appliances

• Sensor data monitoring

• Home automation systems

• DIY electronics & prototyping

• Educational & training labs

🔹 Package Includes

• 1 × ESP8266 NodeMCU Development Board
  (USB cable not included unless specified)