ALLNET Rock Pi 4 USB to TTL Serial Adapter (FTDI FT232RL, 3.3V/5V, 1m)

The ALLNET Rock Pi 4 USB to TTL Serial Adapter is a high-quality debugging and programming tool designed for the Radxa Rock Pi 4 and other single-board computers. Featuring the reliable FTDI FT232RL chipset, this adapter provides a stable USB 2.0 to TTL serial interface with selectable 3.3V or 5V logic levels. It is ideal for serial console access, firmware flashing, bootloader interaction, and general UART communication with microcontrollers and SBCs.

Advantages

Equipped with the industry-standard FTDI FT232RL chipset, this adapter ensures broad driver support across Windows, macOS, Linux, and Android. The integrated TX and RX activity LEDs provide real-time visual feedback of data transmission. With a 1-meter cable length and a 4-pin female Dupont header, it offers flexibility and ease of use in various setups.

Suitable for

• Radxa Rock Pi 4 (all models)
• Raspberry Pi
• ESP32/ESP8266
• Arduino
• Other 3.3V/5V TTL serial devices

Key specifications

• Interface: USB 2.0 to TTL Serial
• Host Connector: USB Type-A Male
• Device Connector: 4-pin Female Header (Dupont style)
• Chipset: FTDI FT232RL
• Supported Voltage Levels: 3.3V / 5V (selectable)
• Baud Rate: 300 bps to 3 Mbps
• Pinout: TXD, RXD, GND, VCC
• LED Indicators: TX, RX activity
• Power Output (VCC): Up to 500mA
• Cable Length: 1 meter
• Colour: Black

Recommendations

For optimal performance, ensure the correct voltage level is selected before connecting to your target device. Always install the latest FTDI VCP drivers from the official website.