USB – Serial/TTL Converters

USB-TTL Converter-Prolific PL2303

Product ID: 1335 4pcs/lot PL2303 USB to RS232 TTL Converter Adapter Module PL2303HX USB to UART TTL Cable module Product Features: Uses PL2303hx Supports Windows 8 Supports three power modes: 5V external power supply; 3.3V external power supply; externally powered (requires 3.3V-5V) With 3 LED: TXD LED, RXD LED, POWER LED Applications: RS-232 to USB up grade traditional devices USB to RS-232 serial adapter Instructions for use: (to access the MCU for example) VCCIO: Output 3.3V or 5V (USB-powered module jump, jumper shall 3.3V or 5V) GND: GND connection TXD: pick MCU.RX (signal flow: MCU.RX << PL2303 << PC.TX) RXD: pick MCU.TX (signal flow: MCU.TX >> PL2303 >> PC.RX)

USB-TTL Converter CP2102

Product ID: 1340 USB to TTL Serial Converter USB to TTL Adapter Use this device to connect your PC to a serial (TTL level) device. Uses CP2102 chipset and has a standard 0.1" pitch terminal strip to connect directly to UART or I/O pins for easy access to your MCU USB specification 2.0 compliant with full-speed 12Mbps Standard USB type A male and TTL 6pin connector. 6 pins for 3.3V, RST, TXD, RXD, GND & 5V All handshaking and modem interface signals. Baud rates: 300 bps to 1.5 Mbps. Byte receive buffer; 640 byte transmit buffer. Hardware or X-On/X-Off handshaking supported. Event character support Line break transmission. USB suspend states supported via SUSPEND pins. Supports Windows 98SE, 2000, XP, Vista, Window7, Mac OS 9, Mac OS X & Linux 2.40. Size: 42mm X 15mm (approx) Weight: 4g (approx). The USB side must be connected to PC or Mac. Other USB devices like a digital camera, scanner and printer is not allowed.

USB to TTL Converter CH340

Product ID: 1272 Can support XP WIN7 Android Apple systems Support USB1.1 or USB2.0/USB3.0 communications Simulation interface, you can upgrade external serial devices Supports the common MODE of contact signal Supports the SIR IRDA infrared communication; Provide RS232, RS485, RS422 interface The program does not affect the target program to run Can be used for serial interface software downloading, programming, etc Three status LED, pwr, tx and rx TTL level selectable: 3v3 or 5V. Support up to windows 8 Note: Only 5V can be used to power external target device, 3V3 only used for TTL.

USB Serial TTL Converter CP2102

Product ID: 1199 CP1202 USB UART converter module, a very simple board to quickly connect USB to Serial or USB to TTL or Serial to USB. You can easily communicate with microcontrollers / microprocessors from your computer through the module. If you need TTL pins for communication, you can find TX, RX and GND points on board; connect it to TTL pins of microcontrollers for direct communication without DB9 connector. Supports Windows 8.1 / 8 / 7 / Vista / Server 2003 / XP / 2000 / 98SE / CE 6.0 / CE 5.0 / Max OS X / Mac OS 9 / Linux 3.x.x / 2.x.x. USB specification 2.0 compliant with full-speed up to 12Mbps Standard USB type a male and TTL 4pin connector 4pins TTL for TXD, RXD, GND & 5V Baud rates: 300 bps to 1.5 Mbps Byte receive buffer; 640 byte transmit buffer. Hardware or X-On/X-Off handshaking supported. Event character support Line break transmission. Temperature Range: -40 to +85.