On the back there is a jumper to select 3.3V or 5V, so beware to properly solder the jumper before connecting to the serial device (see the picture) Note also the USB type connector which is not the micro-USB (the one that you see in smartphones) but the Mini USB, so you need the proper cable (see picture)

On the back there is a jumper to select 3.3V or 5V, so beware to properly solder the jumper before connecting to the serial device (see the picture) Note also the USB type connector which is not the micro-USB (the one that you see in smartphones) but the Mini USB, so you need the proper cable (see picture)

On the back there is a jumper to select 3.3V or 5V, so beware to properly solder the jumper before connecting to the serial device (see the picture) Note also the USB type connector which is not the micro-USB (the one that you see in smartphones) but the Mini USB, so you need the proper cable (see picture)

muito rapido

muito rapido

muito rapido