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| Looking for a way to synchronize
lights, pnuematic valves, motors or other devices to an audio signal?
The DT4 DTMF Relay Controller provides the ability to independantly
control 4 relays with DTMF
tones. Dip switches allow the board to respond to different groups
of tones allowing to you expand your system up to 3 boards on the
same audio signal for independant control of up to 12 relays. Each
relay can be turned on or off independantly or all 4 relays can be
turned on or off at once. Each relay provides both Normally Open and
Normally Closed connections are rated at 28VDC at 5A (10A peak) and
120VAC at 5A (10A peak) |
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