ESP8266 NodeMCU
Economical microcontroller with integrated Wi-Fi. More limited than ESP32 but perfect for simple IoT projects requiring web connectivity.
Specifications
Microcontroller
ChipESP8266EX
ArchitectureXtensa LX106
Clock Speed80/160 MHz
Memoria
Flash Memory4 MB
SRAM160 KB
EEPROM0 (EEPROM emulada)
Alimentaci贸n
Operating Voltage3.3 V
Input Voltage5 V (USB), 3.3 V (VIN)
USBMicro USB
Entradas/Salidas
Digital I/O17 (8 PWM)
Analog I/O1 (0 DAC)
Dimensions58 x 31 mm
Communication
UARTSPII2CWi-Fi
Features
Integrated Wi-Fi
Very economical
Arduino IDE compatible
17 GPIO
Deep sleep mode
OTA updates
Applications
WiFi sensors
Basic web servers
Budget IoT
Remote monitoring
Smart switches
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