Piny na ESP a nodemcu jsou trochu rozdílné. Zde převodní tabulka
static const uint8_t D0 = 16; static const uint8_t D1 = 5; static const uint8_t D2 = 4; static const uint8_t D3 = 0; static const uint8_t D4 = 2; static const uint8_t D5 = 14; static const uint8_t D6 = 12; static const uint8_t D7 = 13; static const uint8_t D8 = 15; static const uint8_t RX = 3; static const uint8_t TX = 1;