规格书/管脚说明/文档
ESP8266
版本对比图
图片来自安信可官网
NodeMcu
NodeMcu引脚以及区别见:CP2102版和CH340版两种NodeMcu的区别和HW-628有什么不同
Wemos D1 R3
对应引脚
static const uint8_t PIN_D0 = 3; //RX
static const uint8_t PIN_D1 = 1; //TX
static const uint8_t PIN_D2 = 16;
static const uint8_t PIN_D3_D15 = 5; //SCL
static const uint8_t PIN_D4_D14 = 4; //SDA
static const uint8_t PIN_D5_D13 = 14; //SCK
static const uint8_t PIN_D6_D12 = 12; //MISO
static const uint8_t PIN_D7_D11 = 13; //MOSI
static const uint8_t PIN_D8 = 0;
static const uint8_t PIN_D9_LED = 2; //LED
static const uint8_t PIN_D10 = 15; //SS
static const uint8_t PIN_A0 = 17;
static const uint8_t PIN_RX = 3;
static const uint8_t PIN_TX = 1;
static const uint8_t PIN_SCL = 5;
static const uint8_t PIN_SDA = 4;
static const uint8_t PIN_SCK = 114;
static const uint8_t PIN_MISO = 12;
static const uint8_t PIN_MOSI = 13;
static const uint8_t PIN_SS = 15;
static const uint8_t PIN_LED = 2;
Wemos D1 mini
引脚图
引脚对应表
Pin | Function | ESP-8266 Pin |
---|---|---|
TX | TXD | TXD |
RX | RXD | RXD |
A0 | Analog input, max 3.3V input | A0 |
D0 | IO | GPIO16 |
D1 | IO, SCL | GPIO5 |
D2 | IO, SDA | GPIO4 |
D3 | IO,10k Pull-up | GPIO0 |
D4 | IO, 10k pull-up, BUILTIN_LED | GPIO2 |
D5 | IO, SCK | GPIO14 |
D6 | IO, MISO | GPIO12 |
D7 | IO, MOSI | GPIO13 |
D8 | IO,10k pull-down, SS | GPIO15 |
G | Ground | GND |
5V | 5V | – |
3V3 | 3.3V | 3.3V |
RST | Reset | RST |
All IO have interrupt/pwm/I2C/one-wire supported(except D0)