Amazon.com: ANMBEST 2PCS MAX3232 3.3V to 5V DB9 Male RS232 Serial Prot to TTL Converter Module Root Connector for Arduino Raspberry Pi and Microcontrollers : Electronics
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Amazon.com: MAX3232 RS232 to TTL Serial Port Converter Module DB9 Connector MAX232 : Electronics
Amazon.com: waveshare Industrial USB to 4-CH TTL Converter Adapter USB to UART Support Multi Protection/Systems /Win7/8/8.1/10/11, Linux, etc : Electronics
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HiLetgo FT232RL FTDI Mini USB to TTL Serial Converter Adapter Module 3.3V 5.5V FT232R Breakout FT232RL USB to Serial Mini USB to TTL Adapter Board for Arduino
Amazon.com: 1PCS Basic Breakout Board FT232RL FTDI USB to TTL Serial IC Adapter Converter Module Mini Port 3.3V 5V FT232 Switch : Electronics
Amazon.com: Ultra Compact RS232 to TTL Converter with Male DB9 (1.8V 3.3V 5V, up to 1Mbps) : Electronics
HiLetgo CP2102 USB 2.0 to TTL Module Serial Converter Adapter Module USB to TTL Downloader with Jumper Wires
Amazon.com: IZOKEE CP2102 Module USB to TTL 5PIN Serial Converter Adapter Module Downloader for UART STC 3.3V and 5V with Jumper Wires : Electronics
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HiLetgo CP2102 USB 2.0 to TTL Module Serial Converter Adapter Module USB to TTL Downloader with Jumper Wires
Amazon.com: YIOVVOM USB to TTL Serial Adapter, USB to Serial Converter for Development Projects - Featuring Genuine FTDI USB UART IC ¡®FT232BL¡¯ Chip Compatible with Windows 10 : Electronics
Amazon.com: RS232 Serial Port to TTL Converter Module for Equipment Upgrades Like DVD with 4 20CM Doupont Cables : Electronics
Amazon.com: Ultra Compact RS232 to TTL Converter with Female DB9 (3.3V to 5V) : Electronics
Amazon.com: Ultra Compact RS232 to TTL Converter with Female DB9 (3.3V to 5V) : Electronics
Amazon.com: #10Gtek# 3.3V 5.5V FT232RL Mini USB to TTL Serial Converter Adapter Module for Arduino : Electronics
Amazon.com: DFRobot DFR0077 RS232-TTL Converter : Electronics
NooElec PL2303 USB to Serial (TTL) Module/Adapter with Female and Male Wiring Harnesses & Test Jumper. Compatible with Windows 98 Through Windows 7; Mac OS 8 Through OS X, Linux and Android!
