--- product_id: 5643972 title: "FT232RL Mini USB to TTL Serial Converter Adapter Module 3.3V/5.5V" brand: "hiletgo" price: "€ 13.36" currency: EUR in_stock: true reviews_count: 12 category: "Hi Letgo" url: https://www.desertcart.fi/products/5643972-ft232rl-mini-usb-to-ttl-serial-converter-adapter-module-3 store_origin: FI region: Finland --- # Supports 3.3V to 5.5V working voltage range Compatible with Win95 to Win7 (32/64-bit) systems FT232RL chipset for reliable USB-TTL conversion FT232RL Mini USB to TTL Serial Converter Adapter Module 3.3V/5.5V **Brand:** hiletgo **Price:** € 13.36 **Availability:** ✅ In Stock ## Summary > 🔗 Connect Like a Pro: The Mini USB-TTL Adapter That Powers Your Projects Effortlessly ## Quick Answers - **What is this?** FT232RL Mini USB to TTL Serial Converter Adapter Module 3.3V/5.5V by hiletgo - **How much does it cost?** € 13.36 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/5643972-ft232rl-mini-usb-to-ttl-serial-converter-adapter-module-3) ## Best For - hiletgo enthusiasts ## Why This Product - Trusted hiletgo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Legacy OS Compatibility:** Supports a wide range of Windows versions (Win95 to Win7), perfect for vintage setups and specialized environments. - • **Compact & Lightweight Design:** Slim 6x0.5x4 inch footprint and featherlight 10g weight make it the ultimate portable dev tool for on-the-go pros. - • **Plug & Play Serial Powerhouse:** Seamlessly bridges USB and TTL serial with the trusted FT232RL chipset for ultra-stable communication. - • **Trusted by Makers & Tuners Alike:** Highly rated with 4.5 stars and proven in automotive ECU tuning and microcontroller programming—join the savvy community now. - • **Voltage Flexibility for Every Project:** Operates effortlessly between 3.3V and 5.5V, adapting to diverse electronics and microcontroller needs. ## Overview The HiLetgo FT232RL Mini USB to TTL Serial Converter Adapter Module is a compact, lightweight device designed for reliable USB to serial communication. Featuring the FT232RL chipset, it supports a flexible voltage range of 3.3V to 5.5V and is compatible with Windows 95 through Windows 7 (32/64-bit). Ideal for programming microcontrollers and automotive ECU tuning, it boasts a strong 4.5-star rating and is a top choice for professionals seeking dependable serial connectivity. ## Description desertcart.com: HiLetgo FT232RL Mini USB to TTL Serial Converter Adapter Module 3.3V/5.5V : Electronics Review: Works like a charm! - Works like it should. Used it to program an atmega1284p without any trouble! In fact, it worked so quickly without problems that I thought it wasn’t working! Review: Works well for GM 1.5 ecu's - Used this for gm obd 1.5 computer and it worked well. It connected to the car, programmed tunes and was a good price. If you are doing car stuff be sure to have a solid connection between the computer to device to car and set everything on a solid platform if you program. I wiggled my laptop on my lap while programming and bricked a ECU with tunercats. But I trust this device to tune with and will be installing it hard wired to my connections to my obd 1.5 gm ecu's. ## Features - Chipset: FT232RL, not genuine FTDI chip, Working Voltage: 3.3V/5.5V - RXD/TXD transceiver communication indicator, with 500MA self-restore Fuse - Pin Definition: DTR,RXD,TX,VCC,CTS,GND - Support Win95/98/98se/ME/2000/XP/win7 32bit 64bit /Vsita/, do not Support Win8 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00IJXZQ7C | | Best Sellers Rank | #30 in Serial Adapters | | Brand | HiLetgo | | Color | Red | | Compatible Devices | Laptop, Desktop | | Connector Type | Mini USB | | Current Rating | 500 Milliamps | | Customer Reviews | 4.5 4.5 out of 5 stars (1,219) | | Input Voltage | 5.5 Volts | | Item Dimensions | 6 x 0.5 x 4 inches | | Item Weight | 0.01 Kilograms | | Manufacturer | HiLetgo | | Model Number | 3-01-0661-1 | | Number of Items | 1 | | Number of Ports | 1 | | Package Quantity | 1 | | Power Plug Type | No Plug | | Specific Uses For Product | personal | | UPC | 509049833148 | | Unit Count | 1.0 Count | ## Product Details - **Color:** Red - **Compatible Devices:** Laptop, Desktop - **Connector Type:** Mini USB - **Item dimensions L x W x H:** 6 x 0.5 x 4 inches - **Specific Uses For Product:** personal ## Images ![FT232RL Mini USB to TTL Serial Converter Adapter Module 3.3V/5.5V - Image 1](https://m.media-amazon.com/images/I/61Oo9nuPl2L.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Clock speed? Chipset?** A: The chipset is in the description, it is the FTDI FT232rl, it is internally clocked so there is no easy way to know what it is set to. If it helps I have personally run this unit at 115Kbps **Q: The ESP8266 Wi-Fi chip uses 3.3 vdc. With switch set to 3.3 volts on the programmer can you directlyTx and Rx to the ESP chip without level shift?** A: Yes. I've been programming numerous ESP8266 versions with this. No level shifting required **Q: Can it be powered via vcc and via usb at the same time?** A: While I have never done it, I only use it to program pro minis, it should be fine as long as it is under 500 mah, matches the 3.3/5v and shares the ground. I still think it would be best to program it only under USB power if possible though. At worst the fuse is tripped but that's what it is there for. If you ordered from me and do this, let me know your results. If it damages your board, please get in touch to get a no cost replacement. **Q: Gave up. can anyone get this to work? even tried with term emulator and known=-good mcu.** A: I found these only sort ot work with usb3.0. You can read, but not write. Don't forget some coms require rx and tx to flip. Rx of ftdi to tx of device... like with uart. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works like a charm! *by J***N on January 23, 2026* Works like it should. Used it to program an atmega1284p without any trouble! In fact, it worked so quickly without problems that I thought it wasn’t working! ### ⭐⭐⭐⭐⭐ Works well for GM 1.5 ecu's *by S***F on March 25, 2026* Used this for gm obd 1.5 computer and it worked well. It connected to the car, programmed tunes and was a good price. If you are doing car stuff be sure to have a solid connection between the computer to device to car and set everything on a solid platform if you program. I wiggled my laptop on my lap while programming and bricked a ECU with tunercats. But I trust this device to tune with and will be installing it hard wired to my connections to my obd 1.5 gm ecu's. ### ⭐⭐⭐⭐⭐ Review *by Y***Z on March 23, 2026* Funciona bien para proyectos electrónicos y programación de placas tipo Arduino. Es fácil de usar y permite trabajar tanto con 3.3V como 5V, lo cual es muy práctico. La conexión es estable y cumple su función sin problemas. Lo único a tener en cuenta es que puede requerir instalar drivers dependiendo del equipo, pero una vez configurado trabaja correctamente. Buena opción por el precio. ## Frequently Bought Together - HiLetgo FT232RL Mini USB to TTL Serial Converter Adapter Module 3.3V/5.5V - ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects - EDGELEC 120pcs Breadboard Jumper Wires 10cm 15cm 20cm 30cm 40cm 50 cm 100cm Wire Length Optional Dupont Cable Assorted Kit Male to Female Male to Male Female to Female Multicolored Ribbon Cables --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.fi/products/5643972-ft232rl-mini-usb-to-ttl-serial-converter-adapter-module-3](https://www.desertcart.fi/products/5643972-ft232rl-mini-usb-to-ttl-serial-converter-adapter-module-3) --- *Product available on Desertcart Finland* *Store origin: FI* *Last updated: 2026-05-08*