Arduino Board Pinouts

ESP8266

LoLin NodeMCU V3

Wiring

SD CARD
VCC ............ 3.3v
GND ............ GND
MISO ........... D6
MOSI ........... D7
SCK ............ D5
CS ............. D8

WeMos ESP8266 D1 Mini

I2C
  SDA => D2
  SCL => D1

SPI
  M-CLK => D5
  MISO => D6
  MOSI => D7

Arduino Clones

Arduino Nano

Wiring

SD CARD
VCC ............ 3.3v
GND ............ GND
MISO ........... D12
MOSI ........... D11
SCK ............ D13
CS ............. D4

Arduino Pro Mini

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