The NodeMCU Amica V2 is a quintessential ESP developer board. Designed to be breadboard-friendly and featuring the robust ESP8266-12F processor from Espressif with integrated WLAN, this controller provides an accessible entry point into IoT development.
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Firmware Flexibility: Multiple firmware versions from the manufacturer can be easily flashed via the micro-USB port.
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Enhanced Transfer Rates: The CP2102 chip set, an upgrade from the previous model, enables higher transfer rates.
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Superior Performance: With ample memory and the powerful ESP processor, this board excels where other micro-controllers reach their limits.
Particularities
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Core Processor: The ESP8266-12F integrates the Tensilica L106 32-bit micro-controller, which operates at clock speeds of 80 MHz or 160 MHz.
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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.
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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.
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GPIO Pins: It features 17 GPIO pins, which can be used for various input/output operations.
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Interfaces: The ESP8266-12F supports multiple interfaces, including SPI, I²C (software implementation), I²S with DMA, and UART.
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Power: It operates at 3.3 V DC.
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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 |