Ordered on weekdays before 14:00 = shipped the same day and delivered the next day in 98% of cases. Free returns 30-day reflection period 1-year warranty Ordered on weekdays before 14:00 = shipped the same day and delivered the next day in 98% of cases. Free returns 30-day reflection period 1-year warranty

USB to serial converter

FT232RL USB TTL Serial Port Adapter 3.3v - 5v

FT232RL USB TTL Serial Port Adapter 3.3v - 5v

Name: FT232RL USB TTL Serial Port Adapter 3.3v - 5v
Brand: OTRONIC
SKU: OT730-D72
Price: 2.55 EUR
Availability: InStock
Rating: 5 (5 reviews)

USB to serial converter for Pro Mini and ESP32-CAM, with adjustable 3.3V or 5V TTL.

5,0/5 (5 reviews) See all reviews

SKU: OT730-D72 Article number: AA106 EAN: 8720589817128 Location: D07.02

€ 2,55 Incl. VAT (€ 2,11 Excl. VAT)

In stock (21)

30-day reflection period
1-year warranty
Ordered on weekdays before 2:00 PM, shipped today
Free returns

Alternative CH340 TTL USB Serial Port Adapter 3.3v-5v € 2,55 View this alternative

FT232RL USB TTL Serial Port Adapter 3.3v - 5v

The best-known and most reliable USB to serial converter is this FT232RL USB TTL Serial Port Adapter! You need this, for example, to connect the Pro Mini to your computer. Also suitable for the ESP32-CAM.

NOTE: does not contain the original FT232RL chip, but a clone with virtually the same operation.

Specifications:
Converts TTL logic to computer RS232
3.3V or 5V TTL (adjustable via jumper)
RX (3.3v or 5v)
TX (3.3v or 5v)
Mini-USB female connector

Drivers for Windows, Linux and Mac OS can be found here.

USB to serial converter
Adjustable voltage
Mini-USB female
FT232RL clone

Why choose this product?

For Pro Mini – Handy for connecting the Pro Mini.
Also for ESP32-CAM – Suitable for use with the ESP32-CAM.
Adjustable voltage – 3.3V or 5V TTL, adjustable with jumper.
Wide operating systems – Drivers for Windows, Linux and Mac OS.
TTL to RS232 – Converts TTL logic to computer RS232.

Specifications

Connection	Mini-USB female
Compatible with	ESP32-CAM

Frequently bought together

Select FT232RL USB TTL Serial Port Adapter 3.3v - 5v FT232RL USB TTL Serial Port Adapter 3.3v - 5v € 2,55
Select USB to TTL RS232 Dupont Female PL2303 COM Serial Cable USB to TTL RS232 Dupont Female PL2303 COM Serial Cable € 3,55
Select USB-A to Mini-USB cable 1 meter (For Arduino Nano) USB-A to Mini-USB cable 1 meter (For Arduino Nano) € 2,20
Select USB-A to Mini-USB cable 0.3 meters (For Arduino Nano) USB-A to Mini-USB cable 0.3 meters (For Arduino Nano) € 1,15

Total: € 9,45

Reviews

★★★★★ 5,0/5 5 reviews

★★★★★DavidVerified purchase11-06-2026

A good-quality part at a fair price.
★★★★★Pieter03-04-2026

Works very well at high speeds.
★★★★★Jan Siebesma12-03-2026

Meets expectations perfectly.
★★★★★luc laureys18-02-2026

Already tested with ublox module and everything works fine
★★★★★Hans Poelgeest11-02-2026

Ideal for modernizing programming cables for transceivers.