A413 Nodemcu D1 mini is a mini wifi board based on ESP8266

The D1 mini is a mini wifi board based on ESP-8266EX. ESP-12F
# 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0)
# 1 analog input(3.3V max input)
# a Micro USB connection
# Compatible withArduino
# Compatible with nodemcu

Agar barang sampai ditujuan dengan aman, harap menambahkan kardus. silahkan pilih di etalase toko dengan mengetik kardus tambahan

Technical specs
Microcontroller = ESP-8266EX
Operating Voltage = 3.3V
Digital I/O Pins = 11
Analog Input Pins = 1
Clock Speed = 80MHz/160MHz
FLash = 4M bytes
Length = 34.2mm
Width = 25.6mm
Weight = 10g

Pin     Function      ESP-8266 Pin
TX     TXD      TXD
RX     RXD RXD
A0     Analog in(max 3.3V)     A0
D0     IO      GPIO16
D1     IO, SCL      GPIO5
D2     IO, SDA      GPIO4
D3     IO,Pull-up      GPIO0
D4     IO,pull-up,LED      GPIO2
D5     IO, SCK      GPIO14
D6     IO, MISO      GPIO12
D7     IO, MOSI      GPIO13
D8     IO,pull-down, SS      GPIO15
G     Gound      GND
5V     5V      -
3V3     3.3V      3.3V
RST     Reset      RST

Programming
The D1 mini has a micro USB for auto programming.
Also you can programming it using OTA

Warnings
All IO is work at 3.3V.