MT8870 DTMF Decoder Module with LCD

Read DTMF tones from a suitable audio signal on an LCD with this MT8870 decoder module.

Display decoded DTMF characters

✅ See the decoded keypad tones - The LCD displays supported digits and symbols from the audio input.

The display holds up to 32 characters before scrolling older entries away. A 3.5 mm audio connection supplies the signal.

Product details

• Supply: 5V DC.
• Current: approximately 15mA with backlight, 11mA without.
• DC power connector: 5.5 x 2.1 mm.
• Dimensions: approximately 80 x 36 x 24 mm.
• Includes decoder module and 50 cm male-to-male audio cable; phone not included.

Product reference

Add DTMF decoding to your audio project.