Dual Tone DTMF V1 Signal Decoding & Encoding Module soldering As well as facial recognition

As well as facial recognition

Don't worry

8mm wide viewing angle 170 °

Battery capacity: 1200mAh

General Specifications

Dual Tone DTMF V1 Signal Decoding & Encoding Module soldering As well as facial recognitionThis component is ideally suited to adding dual tone multi frequency (DTMF) decoding to your project. This detection module interprets the incoming tone and produces a coded output that can be connected to all manner of microcontrollers. Features: DTMF V1 is a dual tone multi frequency decoding encoding module. Received code process: 3. 5MM audio interface converts the received audio signal into a dual tone multi frequency code, Converted to ASCII