#define FC_READ_HOLDING_REGISTERS 0x03 // Read Holding Registers #define FC_READ_INPUT_REGISTERS 0x04 // Read Input Registers #define FC_WRITE_SINGLE_COIL 0x05 // Write Single Coil #define ...

I’m already loving this device, and I haven’t even touched one. Arduino announced it has collaborated with M5Stack to develop the new compact and powerful Nesso N1 IoT development kit. This system ...

// - Arduino MOSI (Blue Pill pin A7) to TFT SDI (may be marked SDA or MOSI) // - Optional to read TFT: Arduino MISO (Blue Pill pin A6) to TFT SDO (may be marked MISO or may not exist on TFT) // Note: ...