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1 pair Keypad DTMF Generator Audio Encoder + Decoder LCD Display MT8870

$36.99 USD

~~$36.99 USD~~ $36.99 USD

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Number 1 pairs 4 pairs

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Product Name: Keypad DTMF Generator Module Audio Encoder Transmitter Board for Arduino UNO Pro

Description:

Operating Voltage : 5-24VDC

Working current : 6-8MA
Power interface : 2.1mm x 5.5mm Female Male DC Power Plug
Audio interface : 2x 3.5mm audio jack socket
MCU input interface : 7x 2.54MM pin header,GND 5V D3 D2 D1 D0 STD

Size : 63*40*13mm
Weight : 16g

The AE11A04 DTMF tone generators are designed
for Dialing keyboard AND MCU interfaces. They can be instructed by a
MCU(OR Dialing keyboard ) to generate 16 dual tones from the Audio 1/2 . 16 dual tones is ''1234567890#*ABCD''

For more information, please contact us

Audio 1: This is a universal interface that connects most audio devices. For example: mobile audio interface, PC audio interface, DTMF decoder
Audio 2: This is a specific audio interface. Support the following products of our company: CE004 CE005 CE023 AD22B04 AD22A08

How to use:
1 Output DTMF tone through Dialing keyboard
2 Output DTMF tone through MCU control

Product Name: 16CH DTMF MT8870 Audio Decoder Smart Home Controller Voice Mobile Phone Control

Product Name: MT8870 DTMF Audio Voice decoder Display Module for telephone phone keypad show

Description:

Operating voltage: DC 5V (4.5-5.5V)

Operating current: turn on the backlight 15MA; turn off the backlight 11MA

Characters that can be displayed : 0123456789#*,ABCD

Display number of characters: maximum 32. More than 32 characters, the screen will move the display (New character overwrites Thirty-second characters, the thirty-second characters covering the Thirty-first characters ....... the second characters covering the first character, the first character disappears).

Power Interface: DC 5.5*2.1mm

Audio Interface: 3.5MM audio cable

Dimensions: 80x36x24 (length x width x height)

Weight: 46 g