We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Green PCB with USB-A connector and pin header

Ruth's sister

Ruth's sister 3.3V 5V TTL UART FTDI USB Adapter internal power cable

SKU CH-XRYZ-8EGEQ

Converts USB to 3.3 V and 5 V TTL serial signals for microcontroller debugging

  • 3 V and 5 V signal levels for versatile serial debugging
  • FTDI USB interface provides reliable UART conversion
  • Compact PCBA design fits inside tight enclosures
  • New condition ensures clean solder joints and full reliability

TTL UART 3.3V 5V FTDI USB Adapter

The TTL UART module converts USB signals to 3.3V or 5V serial levels using an FTDI chipset. It connects directly to a PCBA for debugging, firmware flashing or device communication. The board operates as a plug-and-play converter without external drivers in most environments. Its compact form factor suits embedded development and bench testing.

For engineers needing direct serial access

Developers who require a reliable USB-to-serial bridge for 3.3V and 5V logic will find this adapter suitable. It is not intended for high-speed data links or isolation-heavy applications. Buyers who need galvanic isolation or multi-protocol support should consider other solutions. The module focuses on straightforward level conversion and FTDI compatibility.

Highlights

  • 3 V and 5 V signal levels for versatile serial debugging
  • FTDI USB interface provides reliable UART conversion
  • Compact PCBA design fits inside tight enclosures
  • New condition ensures clean solder joints and full reliability

Specifications

No published specifications for this item yet.

Questions about this item

What voltage level must my target device use to communicate with this 3.3V 5V adapter?

The adapter supports both 3.3V and 5V TTL signal levels, so it works with devices operating at either voltage.

Can I connect this FTDI USB adapter to a legacy 5V serial device without a separate level shifter?

Yes, the board handles 5V TTL signals directly, allowing a straight connection to older 5V serial hardware.

New to this? Which coin should you pay with — what to check, what it costs to pay, and what is never asked for.

More in Internal Power Cables

Similar items

Same shelf, same checkout — eight coins and a 30-minute rate lock.