Relay card for switching loads via RS232 or with optional adapter board (type No. 197257) with the USB-connection of a computer. For extending the relay switching outputs up to 255 relay cards can be operated at only one interface.
CONRAD COMPONENTS4016138505870
Price: £47.99 from Conrad Electronic
| Stockist | Price | |
|---|---|---|
| £47.99 | Visit Store |
Relay card for switching loads via RS232 or with optional adapter board (order No. 197257) with the USB-connection of a computer. For extending the relay switching outputs up to 255 relay cards can be operated at only one interface.
The sensitivity adjustment to the attached sound source is achieved through variable negative-feedback. You can set the sensitivity to between approx. 10 and 600 mV.
With this kit you can turn on devices in a timely fashion. As soon as the ON button is press, the relay is switched for a selected period from approx. 300 ms to approx. 100 s. After the time is up, the relay switches back. To switch the relay back earlier,...