MT8870 DTMF Voice Decoding Module
MT8870 DTMF Voice Decoding Module The DTMF Decoder Module is the ultimate solution for projects requiring dual-tone multi-frequency decoding. Ideal for modem interfaces, mobile radios, and other DTMF applications, this module offers versatile compatibility and user-friendly design. With onboard LEDs, low power consumption, and adjustable guard time, it ensures quality performance and easy integration into UNO/MEGA2560/DUE boards. The central office quality and internal gain-setting amplifier guarantee optimal signal reception, making it a reliable choice for diverse projects. Convenient input interfaces, multi-channel outputs, and complete functionality make this module a must-have for enthusiasts and professionals alike. Purchase now and experience seamless DTMF decoding! Features: Onboard voice input interface Low power consumption Internal gain setting amplifier Onboard LED, it is very convenient to check the output state. Adjustable guard time Central office quality Onboard 3.5mm input interface 5 Channel interface On-board MT8870 frequency decoder chip Power-down mode Inhibit mode Onboard audio input interface Onboard LED lights for output state indicationComplete DTMF Receiver. Does not require external circuits or wiring, it can be inserted directly into the UNO/MEGA2560/DUE board to use. 12-Digital outputs decode mobile and fixed telephone keys (0-9, * #). Also, another 4 Digital outputs (ABCD) can use “DTMF Dial” for Software control. MT8870 DTMF Decoder Circuit Diagram: Applications: Modems, mobile radios, call routing. Mobile-controlled robots. Home Automation. Menu navigation via phone keypad. Industrial Automation. Education. Prototyping MT8870 DTMF Decoder Module - Arduino Test with PWM Audio Synth Tones
- Versatile Compatibility: Works with various DTMF signals, ideal for modems, mobile radios, and more.
- User-Friendly Design: Onboard LEDs for clear signal state and adjustable timing for accurate decoding.
- Wide Applications: Integrates easily with Arduino boards (UNO, MEGA2560, DUE) for diverse projects.
- Central Office Quality: Delivers excellent performance with an internal amplifier for optimal signal reception.
- Convenient Input: Accepts both 3.5mm jack and voice input for seamless operation.
- Multi-Channel Output: 12 dedicated outputs for phone keys (0-9, *, #) and 4 additional outputs for software control.
- Main Chip MT8870DS
- Working voltage 5V
- Power Consumption 500mW (MAX)
- Type MT 8870 DTMF Tone Decoding Module
- Operating Temperature -40-+85 °C
- Board Colour Blue
- Dimension (LxWxH)mm 27 x 25 x 10
- Weight 5g