The USB to RS485 Converter Adapter module support WIN7 XP Vista Linux Mac OS provides an easy to use RS485 interface by means of a Virtual Com Port on the user’s system.
There are no command structures, whatever is sent to the Virtual Comm Port is automatically converted to RS485 and vice versa. The module is completely self-powered from the USB bus.
Controlling / Communicating with RS-485 devices from your PC has never been easier! This device is plug-and-play. It shows up as a serial/com port and is accessible from applications or hyper-terminal.
This converter provides half-duplex RS-485 communication. The Baud rate range is 75 bps to 115200 bps, maximum up to 6 Mbps. No need of external power supply for operation.Applications :
1 x USB to RS485 Converter Adapter
This RFID Reader module has a built–in antenna in minimized form factor. It is designed to work on the industry standard carrier frequency of 125KHZ.
This LF reader module with an internal or an external antenna facilitates communication with read-only transponder – type UNIQUE or TK5530 Via the air interface. The tag data is sent to the host systems via the wired communication interface with a protocol selected from the module both TTL and weigend protocol.
The LF module is best suited for application in access control, time and attendance, asset management , handheld readers, immobilizers and other RFID enabled application.
Connect – 5 volts and GND
TX- TTL output can be directly connected to microcontroller (To convert TTL to UART use converter board).
D0 & D1 - Is used for weigend protocol.
· Connected – 5Volts and GND
· Plugs and play , needs +5V to become a reader
· Buzzer indicates tag reading operation
· Compact size and cost effective.
table and reliable chipset CP2102.
USB specification 2.0 compliant with full-speed 12Mbps.
Standard USB type A male and TTL 6pin connector.
6pins for 3.3V, RST, 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.
USB suspend states supported via SUSPEND pins.
Temperature Range: -40 to +85.
Size: 42mm X 15mm.
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