The module offers USB to 8 digital output 5V TTL level signal lines.

A low-cost solution to read RFID 125 kHz transponder tags and cards. The USB RFID Reader can be used in a wide variety of hobbyist and commercial applications, including access control, automatic identification, payment systems....

For connection to a PC's USB port using VCP (Virtual COM port). Fully powered from the USB bus.

For connection to a PC's USB port using VCP (Virtual COM port). Fully powered from the USB bus.

RF433MHz LAN UDP Wireless RF Module. Control KMtronic RF433MHz relays via Internet.

This converter can be used on any Microcontroller - PIC, Atmel or other which has TTL serial communications. Converter provides two way serial communications signal conversion between the TTL (Transistor Transistor Logic) output to and from a personal computer USB port using virtual serial COM port.

37 UDP 8 Relay 60 RS485 8 Relay

This converter can be used on any Microcontroller - PIC, Atmel or other which has TTL serial communications. Converter provides two way serial communications signal conversion between the TTL (Transistor Transistor Logic) output to and from a personal computer USB port using virtual serial COM port.

R4S8CRD(58),UDB8CRD(35)