DTMF-4HC
www.icircuits.com
Electronics / Audio

DTMF-4HC

$139.00
{{option.name}}: {{selected_options[option.position]}}
{{value_obj.value}}

Intuitive Circuits

View Store

Description: DTMF-4HC is an inexpensive, self contained, DTMF decoder or touch tone decoder board which permits users to control remotely, via radio or other audio producing source, the on or off state of four high current devices. For larger applications several DTMF-4HC DTMF decoder boards can be attached to the same control audio source to control dozens of devices. DTMF-4HC supports four modes of operation. These mode settings control how the DTMF-4HC behaves. Password support is also available for increased protection from unauthorized entry. All information is stored in non-volatile eeprom memory.   Specifications: Dimensions: 4 3/4" x 2 5/8" x 9/16" Weight: 2.2 oz. Input voltage: 12.0 to 14.0 volts DC (15ma idle, +25ma per energized relay) Operating temperature: -10 C to +70 C Microprocessor: Microchip PIC16F627-20/P (4 MHz) DTMF / Touch Tone receiver: Motorola MC145436AP Audio input impedance: 100K Ohms Audio input level: .1v to 5.0v peak to peak Relay driver: ULN2803 (open c

Show More Show Less

Price History

$129 $139 (+$10)