Wafer can do the OEM design for the MDB control board for the vending system.

MDB Board can connect to the MDB type coin acceptor, MDB type bill acceptor and others.

A simple yet powerful way to integrate dollar bill acceptor, coin acceptors, coin dispensers, credit card readers and cashless devices into PC based vending applications. The vending industry standard NAMA Multi-Drop Bus (MDB) may now be interfaced to a PC using the MDB2PC. The MDB2PC allows Coin Acceptance, Change Dispensing, smart card reader, magnetic swipe, credit card reader and bill validation all controlled by the PC.Conforms to all NAMA MDB specification and is compatible with any MDB compliant vending device. Hardware interface comes with cables,user's guide and user's protocal.

WF-200 is a series of the coin control board. can be used widely.These control board can setup up the coin numbers and the delay time through the DIP Switch.

WF-500 Timer Control Board for Power Supply with LED Display

1.Controls electrical devices ( TV, Massage chair..) power
2.500Watt electrical relay capacity (option for larger relay with bigger power)
3.Suitable for public place location
4.Options: Single-coin/Multi-coin validator>
5.Digital timer: rate adjustable by ownerthrough the simple push button switch;

6.SPDT Relay Output for timer control

1.Controls electrical devices ( TV, Massage chair..) power
2.500Watt electrical relay capacity (option for larger relay with bigger power)
3.Suitable for public place location
4.Options: Single-coin/Multi-coin validator
5.Digital timer: rate adjustable by owner through two simple push button switch;

6.SPDT Relay Output for timer control

1.Controls electrical devices ( game machine,amusement machine....)
2.Suitable for public place location
3.Options: Single-coin/Multi-coin validator
4.Digital timer: rate adjustable by owner through two simple push button switch;

5.Two DPDT Relay Output for timer control,that is very suitable for play stations timer control.

1.Controls USB devices ( Computer,Game machine..)
2.Suitable for public place location
3.Options: Single-coin/Multi-coin validator
4.Digital timer: rate adjustable by owner through two simple push button switch;

5.Double USB Output for timer control,that is very suitable for play stations timer control,game machine.

Controls washing machine
Enable pay-per-use
Suitable for public place location
Options: Single-coin/Multi-coin validator
Digital timer: rate adjustable by ownerthrough the simple switch;

1.RS232 to report the coin data to PC
2.Coin acceptor with inhibit line or Power control
3.Reset Relay output for computer
4. Double USB control channel
5. Best technical service after sales
6.System error report,auto-inhibit,auto-reset

USB type coin control board is used to working together with the PC driver and then turn any PC into coin operated computer.When a coin inserted,it enables the system to function,when time is up,it will disable the function or shut off the computer.

PC Adapter is used to connect the Coin acceptor to PC.that can be connected with any pulse output type Coin acceptor and translate the pulse output signal to RS-232 or TTL serial type signal.

The WF-700B is an RS232 interface module for most models of coin acceptor products. The WF-700B has a built-in true RS232 port on its uplink communication port to interface with the serial port on a PC and a downlink port with inhibit line to interface with validators.

(Manual of WF-700B)

WF-AJ1 Anti-interference Devices For Game Machines

WF-AJ1 is designed to avoid illegal and deliberate interference to the program. With WF-AJ1, the game machines and earnings of the operators are secured.
9 in 1 function: anti-interference of wireless waves, high-voltage electricity, cell-phone wireless waves, high and low frequency waves, ultra high frequency wave and ultra short wireless waves; and time delay alert ( when interfered, the machine shuts down by itself and turns on again after few seconds).