GPIO2 = internal LED

GPIO7 (pin D13) dihubungkan ke buzzer


Wemos D1/
NodeMCU
ESP8266 PinFunctions
D016GPIO
D15GPIO, I2C SCL
D24GPIO, I2C SDA
D30GPIO
D42GPIO
D514GPIO, SPI SCK (Serial Clock)
D612GPIO, SPI MISO (Master in, Slave out)
D713GPIO, SPI MOSI (Master out, Slave in)
D815GPIO, SPI SS (Slave select)
A0A0Analog in, via ADC
RX3Receive
TX1Transmit