Purity : On-board voice input interface.On-board LED, it is very convenient to check the output state.Onboard 5 x LED indicators for easy viewing output state
DTMF AUDIO DECODER MODULE based on HT9170D decoder chip, with 3.5 mm jack. HT9170D: 18-pin SOP package Operating voltage: 2.5V~5.5V Minimal external components No external filter is required Low standby current (on power down mode) Excellent...
This board decodes DTMF signal either from an audio source or phone line to 4 bit binary TTL(5V) level output. It also indicates outputs with LED. Can use directly with microcontrollers to develop various DTMF related applications like remote...
Operating Voltage: 7 to 12V DC. 2. Low power consumption. 3. On board 5V regulator. 4. Direct connection. 5. 4 PIN header interface for output 6. LED Indicators for POWER & DATA output. ...