Spi Flash Programmer Arduino !!exclusive!! Jun 2026

: For temporary prototyping connections. Voltage Regulation Options

// Write data digitalWrite(csPin, LOW); // select the chip SPI.transfer(0x02); // write command SPI.transfer((address >> 16) & 0xFF); // address byte 1 SPI.transfer((address >> 8) & 0xFF); // address byte 2 SPI.transfer(address & 0xFF); // address byte 3 for (uint16_t i = 0; i < length; i++) SPI.transfer(data[i]);