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July 24, 2022 18:19
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ESP8266 pin mapping
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| /** | |
| * Reference: | |
| * https://randomnerdtutorials.com/esp8266-pinout-reference-gpios | |
| */ | |
| // esp8266-01 | |
| // #define GPIO0 00 | |
| // #define GPIO1 01 | |
| // #define GPIO2 02 | |
| // #define GPIO3 03 | |
| // #define TX_PIN GPIO1 | |
| // #define RX_PIN GPIO3 | |
| // #define FLASH_PIN GPIO0 | |
| // esp8266 12-E | |
| // #define GPIO0 00 | |
| // #define GPIO1 01 | |
| // #define GPIO2 02 | |
| // #define GPIO3 03 | |
| // #define GPIO4 04 | |
| // #define GPIO5 05 | |
| // #define GPIO6 06 | |
| // #define GPIO7 07 | |
| // #define GPIO8 08 | |
| // #define GPIO9 09 | |
| // #define GPIO10 10 | |
| // #define GPIO11 11 | |
| // #define GPIO12 12 | |
| // #define GPIO13 13 | |
| // #define GPIO14 14 | |
| // #define GPIO15 15 | |
| // #define GPIO16 16 | |
| // nodemcu | |
| #define D0 16 // high at boot (no PWMm or I2C support) | |
| #define D1 05 // SCL | |
| #define D2 04 // SDA | |
| #define D3 00 // boot failure if pulled LOW | |
| #define D4 02 // high at boot and boot failure if pulled LOW (on-board led) | |
| #define D5 14 | |
| #define D6 12 | |
| #define D7 13 | |
| #define D8 15 // boot failure if pulled HIGH | |
| #define RX 03 // rx pin high at boot | |
| #define TX 01 // tx pin high at boot and boot failure if pulled LOW | |
| #define ADC0 A0 // analogic |
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