ESP8266 Nodemcu

ESP8266 NodeMCU Specifications:

1. Microcontroller:

   • ESP8266EX

2. Operating Voltage:

   • 3.3V DC

3. Input Voltage (Vin Pin):

   • 7V to 12V DC

4. Digital I/O Pins:

   • 11 GPIO pins (including 1 ADC pin)

5. Analog Input:

   • 1 ADC channel (10-bit resolution)

6. Clock Speed:

   • 80 MHz (default), can be overclocked to 160 MHz

7. Flash Memory:

   • 4MB (32 Mbit) Flash

8. RAM:

   • 80 KB SRAM for data, 32 KB for instruction

9. Wi-Fi Specifications:

   • IEEE 802.11 b/g/n
   • Integrated TCP/IP protocol stack
   • Supports 2.4 GHz Wi-Fi (WPA/WPA2 security)

10. Network Protocols:

    • IPv4, TCP/UDP/HTTP/FTP/SMTP
    • Supports SSL

11. Connectivity:

    • Supports AP, STA, and AP+STA modes
    • Supports up to 5 simultaneous connections

12. Power Consumption:

    • Deep Sleep: 10 µA
    • Modem Sleep: 15 mA
    • Light Sleep: 0.9 mA
    • Idle: 70 mA
    • Peak: 300 mA

13. Interfaces:

    • UART (RX/TX)
    • SPI
    • I2C
    • PWM
    • I2S
    • 1-Wire

14. USB Interface:

    • Micro USB (for power and programming)

15. Operating Temperature:

    • -40°C to +125°C

16. Dimensions:

    • 49mm x 26mm x 13mm (LxWxH)

17. Weight:

    • Approximately 8g