---
product_id: 81856736
title: "ft232rl USB uart TTL 3.3v Cable with 3.5mm Stereo Jack Serial Cable TTL 3.3v to USB Cable Compatible for ftdi ttl-232r-3.3v-aj"
brand: "letotech"
price: "4 zł"
currency: PLN
in_stock: false
reviews_count: 2
url: https://www.desertcart.pl/products/81856736-ft232rl-usb-uart-ttl-3-3v-cable-with-3-5mm
store_origin: PL
region: Poland
---

# 3.3V TTL Signal Level 1.8m Durable Cable Length USB 2.0 Full Speed ft232rl USB uart TTL 3.3v Cable with 3.5mm Stereo Jack Serial Cable TTL 3.3v to USB Cable Compatible for ftdi ttl-232r-3.3v-aj

**Brand:** letotech
**Price:** 4 zł
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Power Your Serial Connections with Pro-Level Precision!

## Quick Answers

- **What is this?** ft232rl USB uart TTL 3.3v Cable with 3.5mm Stereo Jack Serial Cable TTL 3.3v to USB Cable Compatible for ftdi ttl-232r-3.3v-aj by letotech
- **How much does it cost?** 4 zł with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/81856736-ft232rl-usb-uart-ttl-3-3v-cable-with-3-5mm)

## Best For

- letotech enthusiasts

## Why This Product

- Trusted letotech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Universal Compatibility:** Works flawlessly with Windows, Mac, Linux, and Android for ultimate flexibility.
- • **Robust & Flexible Design:** 1.8m 24 AWG spiral cable with 3.5mm stereo jack for reliable, tangle-free connections.
- • **Precision Signal Integrity:** 3.3V TTL level signals with integrated level converter ensure clean data transfer.
- • **Customizable & Future-Proof:** Supports EEPROM reprogramming, FT-prog, and advanced handshaking for pro-grade control.
- • **Seamless USB to UART Bridge:** FT232RL chipset handles entire USB protocol—no firmware hassle.

## Overview

The Letotech FT232RL USB UART TTL 3.3V cable offers a professional-grade, plug-and-play solution for serial communication. Featuring the trusted FTDI chipset, it supports a wide range of operating systems and baud rates up to 3Mbps. Its 1.8m durable cable with a 3.5mm stereo jack ensures versatile connectivity, while EEPROM programmability and advanced handshaking make it ideal for developers and engineers demanding reliable, high-speed data transfer.

## Description

USB TTL cable, USB UART +3v signal level USB TTL 3.3v cable USB TTL to 3.5mm stereo jack cable USB2.0 compatible, full speed Version A: Tip: TX, Ring-RX, Sleeve-GND FT232RL chip, +3.3v level signals Integrated 1024 byte EEPROM, support FT-prog 1.8mtr, Cable OD=3.5mm, PVC jacket, black 300 ~ 3Mbps baud rate speed PE bag for each CE, RoHS compliance notice TTL Size 3.5AJ1 About FTDI FT232RL Single chip USB to asynchronous serial data transfer interface. Entire USB protocol handled on the chip - No USB-specific firmware programming required. UART interface support for 7 or 8 data bits, 1 or 2 stop bits and odd / even / mark / space / no parity. Fully assisted hardware or X-On / X-Off software handshaking. Data transfer rates from 300 baud to 3 Megabaud (RS422 / RS485 and at TTL levels) and 300 baud to 1 Megabaud (RS232). In-built support for event characters and line break condition. New USB FTDIChip-ID feature. New configurable CBUS I/O pins. Auto transmit buffer control for RS485 applications. Transmit and receive LED drive signals. New 48MHz, 24MHz,12MHz, and 6MHz clock output signal Options for driving external MCU or FPGA. FIFO receive and transmit buffers for high data throughput. 256 Byte receive buffer and 128 Byte transmit buffer utilising buffer smoothing technology to allow for high data throughput. Adjustable receive buffer timeout. Synchronous and asynchronous bit bang mode interface options with RD# and WR# strobes. New CBUS bit bang mode option. Integrated 1024 bit internal EEPROM for I/O configuration and storing USB VID, PID, serial number and product description strings. Device supplied preprogrammed with unique USB serial number. Support for USB suspend / resume. Support for bus powered, self powered, and high-power bus powered USB configurations. Integrated 3.3V level converter for USB I/O .

## Features

- USB to UART cable with +TTL level UART signals with FTDI chipset
- Standard Pinout: Tip-TX, Ring-RX, Sleeve-GND
- 3.5mm 3P audio jack male ，2 core and spiral, 24 AWG diam=5mm
- Cable length:1.8m/6ft
- Support Android, Support Win 8, Win 7, XP, 2000, Linix, Mac OS Support EEPROM, support Vendor ID re-write,support Mprog Support FTDI VCP driver and D2XX driver

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Letotech |
| Connector Type | Auxiliary, USB 2.0 |
| Cable Type | USB |
| Compatible Devices | Laptop, Modem, PC, Server |
| Special Feature | Data Transfer |
| Recommended Uses For Product | Device communication, data transfer, serial console connection |
| Color | black |
| Connector Gender | Male-to-Male |
| Shape | Round |
| Number of Pins | 3 |
| Unit Count | 1 Count |
| Indoor/Outdoor Usage | Indoor, Outdoor |
| Number of Items | 1 |
| Customer Package Type | Standard Packaging |
| Maximum Voltage | 3.3 Volts |
| Manufacturer | Letotech |
| UPC | 659102851869 |
| Item model number | 3.5RS232 |
| Item Weight | 0.81 ounces |
| Package Dimensions | 6.2 x 6 x 0.4 inches |
| ASIN | B076PJR496 |
| Is Discontinued By Manufacturer | No |
| Date First Available | October 23, 2017 |

## Product Details

- **Brand:** Letotech
- **Connector Type:** Auxiliary, USB 2.0
- **Cable Type:** USB
- **Compatible Devices:** Laptop, Modem, PC, Server
- **Special Feature:** Data Transfer

## Images

![ft232rl USB uart TTL 3.3v Cable with 3.5mm Stereo Jack Serial Cable TTL 3.3v to USB Cable Compatible for ftdi ttl-232r-3.3v-aj - Image 1](https://m.media-amazon.com/images/I/61UHI5GVmWL.jpg)
![ft232rl USB uart TTL 3.3v Cable with 3.5mm Stereo Jack Serial Cable TTL 3.3v to USB Cable Compatible for ftdi ttl-232r-3.3v-aj - Image 2](https://m.media-amazon.com/images/I/61DdoDV-EYL.jpg)
![ft232rl USB uart TTL 3.3v Cable with 3.5mm Stereo Jack Serial Cable TTL 3.3v to USB Cable Compatible for ftdi ttl-232r-3.3v-aj - Image 3](https://m.media-amazon.com/images/I/71yvIgBbqFL.jpg)
![ft232rl USB uart TTL 3.3v Cable with 3.5mm Stereo Jack Serial Cable TTL 3.3v to USB Cable Compatible for ftdi ttl-232r-3.3v-aj - Image 4](https://m.media-amazon.com/images/I/51GtVGz5KUL.jpg)

## Customer Reviews

### ⭐⭐⭐ Wiring is wrong and won't work for normal use cases.
*by N***. on August 10, 2023*

The wiring is wrong and won't work for phones like pine phone uart verify the other post pictures match your use case.

### ⭐⭐⭐ Wiring diagram doesnt match the picture seller has posted
*by D***D on February 19, 2019*

Wiring diagram on here is all wrong.Black wire is ground/basewhite wire is the ringgreen wire is the tip.I do not know what the red wire goes to. Also, the black wire goes the the outer part on the usb side so ground all the way through.Hope this helps someone else who may get this cable.

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-03-12*