| Parameter | Value | |-----------|-------| | Logic level | 3.3V TTL (not 5V tolerant on RX!) | | Baud rate | 300 – 3 Mbaud (typical max 1M reliably) | | Power out (red wire) | 3.3V, ~50-100mA | | Connector | 6-pin 0.1" female header (or bare wires) | | Chip | FT232R | | OS support | Windows, macOS, Linux, Android (with OTG) |
lsusb | grep FTDI
Enables terminal applications to communicate with the device. ttl232r-3v3 driver
The is a USB-to-serial (UART) cable from FTDI. It outputs 3.3V logic levels – safe for many microcontrollers (ESP32, STM32, Raspberry Pi Pico, 3.3V Arduinos). Internally it uses the popular FT232R chip.
Here’s a helpful, practical guide to the USB-to-UART cable. | Parameter | Value | |-----------|-------| | Logic
Verify baud rate (e.g., 115200) and ensure the target device is 3.3V. USB port power issues.
Standard color coding (FTDI original cable): Internally it uses the popular FT232R chip
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FTDI chips are heavily counterfeited. Fakes often have driver problems on newer Windows.
Note: The RX/TX lines are at 3.3V logic levels, making them safe for modern 3.3V microcontrollers. Conclusion Drivers - FTDI
Offers direct DLL access for custom application development.