Diagrams & Pin-Out

Official Arduino Datasheets Arduino UNO R3 Schematic | Download > PDF Arduino MEGA 2560 R3 Schematic | Download > PDF Arduino Duemilanove Schematic | Download > PDF Esplora Schematic | Download > PDF         ESP32 Pinout SparkFun

Drivers & Software

Virtual COM port (VCP) drivers cause the USB device to appear as an additional COM port available to the PC. Application software can access the USB device in the same way as it would access a standard COM port. FTDI-VPC