ADC0
A0
RESERVED
RSV
RESERVED
RSV
GPIO10
SD3
GPIO9
SD2
GPIO8
SD1
GPIO11
CMD
GPIO7
SD0
GPIO6
CLK
GND
GND
3.3V
3V3
EN
EN
RST
RST
GND
GND
Vin
Vin
D0
GPIO16
D1
GPIO5
D2
GPIO4
D3
GPIO0
D4
GPIO2
3V3
3.3V
GND
GND
D5
GPIO14
D6
GPIO12
D7
GPIO13
D8
GPIO15
RX
GPIO3
TX
GPIO1
GND
GND
3V3
3.3V
Board NodeMCU v2
I2C
UART
PWM
ADC
GPIO
Built-in LED
Power
Ground
NodeMCU is an open source IoT platform.
Chip: ESP8266
Clock Speed: 80 MHz
Flash Memory: 4 MB
SRAM: 64 KB
Operation Voltage: 3.3V
Input Voltage: 4.5V-10V
ADC Range: 0V-3.3V
WiFi: 802.11 b/g/n (2.4 GHz)
Supported Protocols: SPII2CUART
Supported Frameworks: ArduinoMicroPython
| GPIO | Analog | PWM | I2C | SPI | UART |
|---|---|---|---|---|---|
| 17 | 1 | 4 | 2 | 4 | 2 |