The NodeMCU Amica V2 is a quintessential ESP developer board. Designed to be breadboard-friendly and featuring the robust ESP8266-12E processor from Espressif with integrated WLAN, this controller provides an accessible entry point into IoT development. Firmware Flexibility: Multiple firmware versions from the manufacturer can be easily flashed via the micro-USB port. Enhanced Transfer Rates: The CP2102 chip set, an upgrade from the previous model, enables higher transfer rates. Superior Performance: With ample memory and the powerful ESP processor, this board excels where other micro-controllers reach their limits. Particularities Core Processor: The ESP8266-12E integrates the Tensilica L106 32-bit micro-controller, which operates at clock speeds of 80 MHz or 160 MHz. Memory: It includes 32 KiB of instruction RAM, 32 KiB of instruction cache RAM, 80 KiB of user-data RAM, and 16 KiB of ETS system-data RAM. Wi-Fi Capabilities: The processor supports IEEE 802.11 b/g/n Wi-Fi standards and includes an integrated TR switch, balun, LNA, power amplifier, and matching network. GPIO Pins: It features 17 GPIO pins, which can be used for various input/output operations. Interfaces: The ESP8266-12E supports multiple interfaces, including SPI, I²C (software implementation), I²S with DMA, and UART. Power: It operates at 3.3 V DC. Additional Features: The processor supports WEP, WPA/WPA2 authentication, or open networks, and includes a 10-bit ADC. Technical specifications Supply voltage (USB) 5V DC Input/output voltage 3.3V DC Clock frequency 80 MHz / 160MHz Instructions RAM 32kb Data ram 96kb External flash memory 4MB GPIO digital pins 17 (configurable as a PWM at 3.3V) ADC analog PIN 1 (but voltage area is: 0 - 1v) Uart 2 Featured Articles Arduino IDE Setup How to Install a Hardware package for ESP8266? How to Flash an Arduino Board: Complete Beginner's Guide