FTDI USB to TTL Serial Adapter Module – FT232RL Programmer
🔌 FTDI USB to TTL Serial Adapter Module – FT232RL Programmer
The FTDI FT232RL USB to TTL Serial Adapter is a high-quality USB-to-serial converter module based on the reliable FTDI FT232RL chip, widely used for programming microcontrollers like Arduino Pro Mini, ESP8266, ESP32, and many other UART-compatible devices.
It’s known for reliable communication, automatic reset capability, and built-in voltage level selection (3.3V or 5V), making it a must-have tool for embedded system developers and electronics hobbyists.
⚙️ Technical Specifications
| Parameter | Details |
|---|---|
| IC Chip | FTDI FT232RL |
| Input Interface | USB Type-A (male) or Mini-USB (depending on board) |
| Output Interface | TTL Serial (TXD, RXD, VCC, GND, DTR) |
| Operating Voltage | Selectable: 3.3V / 5V (jumper or switch) |
| Baud Rate | Up to 3 Mbps |
| OS Support | Windows, macOS, Linux |
| LEDs | Power, TX, RX indicators |
🧰 Pinout Details
GND – Ground
VCC – Output voltage (3.3V or 5V depending on jumper)
TXD – Transmit data (connect to RX of microcontroller)
RXD – Receive data (connect to TX of microcontroller)
DTR – Data terminal ready (used for auto-reset during Arduino programming)
⭐ Features
Directly compatible with Arduino Pro Mini, ESP8266, NodeMCU, STM32, and more
Built-in DTR pin for automatic bootloader reset
Supports auto-install FTDI drivers (Windows/macOS/Linux)
Compact and plug-and-play design
Selectable 3.3V/5V logic levels (by jumper or slide switch)
🔌 Applications
Programming Arduino Pro Mini and similar boards
Serial communication with microcontrollers
Debugging UART-based devices
Firmware uploading to ESP8266 / ESP32
USB-to-serial bridge for embedded projects
🎥 Tutorial Video for Clients
📺 How to Use FTDI FT232RL USB to Serial Module
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