DTMF-ENC232
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DTMF-ENC232

$129.00
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Intuitive Circuits

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Description: DTMF-ENC232 is a DTMF (dual tone multiple frequency) encoder board that is controlled via 9600 baud RS-232 serial commands.  By using a terminal program such as HyperTerminal or custom developed software, an attached radio transmitter can be keyed with continuous or momentary DTMF digits being sent at any interval.  Example applications include the remote controlling of complicated repeater controllers and the driving of DTMF relay camera pan / tilt systems. Specifications:   Dimensions: 3.93" x 3" x .4" Weight: 1.4 oz. Input voltage: 8.0 to 14.0 volts DC (37 ma max) Operating temperature: 0 C to +70 C RS-232 serial input: 9600 baud, 8 data bits, 1 stop bit, inverted data Output level: 100 mv p-p to 1.9 v p-p (400mv default) DTMF digits: 0123456789ABCD*# Single DTMF digit duration (100 ms on / 50 ms off) RS-232 Commands: Pad Description 1 Serial out (female DB-9 pin 2) to PC 2 Serial ground (female DB-9 pin 5) to PC 3 Serial in (female DB-9 pin 3) from PC 4 Pu

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