原创 CR6263X-UJ: 4 Relay USB control of Box

CR6263X-UJ: 4 Relay USB control of Box! $19.99

PC Connection Machine USB port, 4 relays to control movement.
Plug and Play, support for virtual serial port equipment, VB, VC direct use serial programming function to support remote TCP / IP control, the second development is extremely simple.
No external power supply, direct the use of USB-powered.
Relay drive capacity: 20A.
Free PC-side control software (source code is not free)

Email:cherrychip@163.com