Relays are usually used to switch AC voltages by means of an electronic control because of their simplicity. However, when switching occurs too frequently or too quickly the life time of the contact points is shortened considerably. This can be solved perfectly by replacing the relays with a triac. Using opto-couplers, the entire interface network remains electrically isolated from the voltage that has to be switched.

For bi- and uni-polar motors (maximum 1A). High precision possible (up to 0.9°, or even more when using a motor with reduction). You can always give an emergency stop signal. Test program included. Can be used in every application where positioning is needed (for example a plotter, printer). High precision motor included (12V). Alternative stepper motors are also available. Additional software to upgrade and improve this product is available from our download section on this website.

RF ID access control kit with relay output. The kit can store upto 250 ID tags all configured via built in USB interface. Single relay output with timer option, pulse or toggle action. Feature 3 LED status indicators.

The K8055N interface board has 5 digital input channels and 8 digital output channels. In addition, there are two analogue inputs and two analogue outputs with 8 bit resolution. The number of inputs/outputs can be further expanded by connecting more (up to a maximum of four) cards to the PC's USB connectors. All communication routines are contained in a Dynamic Link Library (DLL). You may write custom Windows (XP, Vista, Windows7) applications in Delphi, Visual Basic, C++ Builder or any other 32-bit Windows application development tool that supports calls to a DLL. Source code examples for Visual Basic, Visual C++, Visual C#, Excel, Delphi and Borland C++ builder are available.

This relay card can be used in several ways : stand alone card, addressed by switches or open collector outputs or remote controlled through RS232. Since the card can be addressed using RS232 commands, you may write custom applications in any programming language on any platform.

The Whadda WSI8090 is a card which can be interfaced with your PC, it has eight relay channels which are controlled by your computer. Use your computer USB port to connect to the outside world. It will allow you to connect a load of up to 16A on each of the high power relays. The board has space for extra VDR noise suppressors, it is provided with on board push buttons for test operating all the relays. Each channel also has LED to indicate condition of relay.

The K8096 Electronics kit allows you to control a stepper motor from your PC via the USB port. While the motor turns you can simultaneously check the status of the dry-inputs (ex. emergency stop signal, limit detection...). Use the switch inputs to test the motor. Can be used in every application where positioning is needed
(for example, plotter, printer, valves, automations …).

USB controlled stepper motor card, to drive 4 stepper motors. While the motor turns you can simultaneously check the status of the dry-inputs (ex. emergency stop signal, limit detection...). Use the switch inputs to test the motors. Can be used in every application where positioning is needed (for example, plotter, printer, valves, automations …).

Add another screen to your computer that shows the information you want! Even if your main screen is off. 4 downloadable example programs with source code supplied: Twitter Display: displays the incoming feeds, Mail Display: shows incoming mail subjects, Drive Display: shows info of your HDD, Eyes Display: mouse movement and click animation.  DLL supplied to easily code your own applications (VB.net - C#) 1 Button with 2 programmable functions (short & long press), Equipped with a buzzer that can be configured through software. A test program (with source code) can also be downloaded to test all functions of the kit (button, backlight, buzzer, LCD draw routines)