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PWM Output
Cards
&
Software

...simple as a laptop.

Data Acquisition & Control
  • Free 30-Day evaluation.
  • No special drivers required.
  • No need to access internal card cages.
  • Use up to 32 cards on a single RS-232 or USB port.
  • Mix and match the cards to provide any combination of features.

Digital Output Module
WTDOT-M
1 high current open collector output that uses PWM to control the current flow. Also includes 7 additional digital output channels and 2 digital input channels.
Only $99       read more...
Digital Input Module
WTDIN-M
1 high current open collector output that uses PWM to control the current flow. Also includes 1 additional digital output channel and 8 digital input channels.
Only $89       read more...

 

 

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Weeder Technologies PWM Output cards with free Window's software

Pulse-Width Modulation or PWM is the process of controlling the magnitude of a DC voltage by pulsing it on and off, and then varying the percentage of the "on" verses "off" times so that the energy delivered can be controlled. Motor speed control is the most common application but there are others. Controlling the intensity of an LED or other light producing device is also very common and can be seen in a typical light dimmer. With our small low-cost Digital Output cards which can be connect to an RS-232 or USB port of a computer, PWM control is very easy using their open-collector outputs.