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Two USB to UART TTL Serial Converter Cables - $10 (Vancouver)
SE 26th St near SE 164th Ave
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The TTL-232R-3V3 is a USB to Serial (TTL level) converter cable which allows for a simple way to connect TTL interface units to USB. This version of FTDI’s USB to TTL serial adapter cables has it’s I/O pins configured to operate at 3.3V levels.
The TTL-232R-3V3 uses a FT232RQ IC which is housed inside the USB ‘A’ connector, and is terminated at the end of a 1.8 meter cable with a 0.1″” pitch header socket which provided access to transmit (Tx), receive (Rx), RTS#, and CTS#. These lines all operate at 3.3V levels. Also brought out on the header are Vcc (5V), and GND.
Converts a standard 9-pin serial port to USB.
USB Specification v1.1 & 2.0 Compliant.
Supports the RS 232 Serial interface (standard 9-pin serial).
Product Description FTDI TTL232R-3V3
Chip Type FT232R
PCI Vendor ID 0x0403
PCI Device (Product) ID 0x6001
See https://www.ftdichip.com/Support/Documents/DataSheets/Cables/DS_TTL-232R_CABLES.pdf. Also see the FT_Prog Download: https://ftdichip.com/wp-content/uploads/2025/07/FT_Prog_v3.12.70.678-Installer.zip AND the FT_Prog Guide: https://ftdichip.com/wp-content/uploads/2020/07/AN_124_User_Guide_For_FT_PROG.pdf.