Enhance your telecommunication and remote control projects with this advanced 16 Channel DTMF Decoder Module, designed for both mobile and fixed telephone voice dialing decoding functions. This versatile module supports 16 output channels, including 12 channels decoding standard telephone keys (0-9, *, #) and 4 additional channels (A, B, C, D) controllable via "DTMF Dial" software, providing flexible and precise remote control decoding capabilities. Key Features: · Comprehensive 16 Channel Output: Decodes mobile and fixed telephone keys with 12 channels for numeric and special keys and 4 software-controlled channels for extended functionality. · Multiple Output Modes: Offers 8 selectable output functions to tailor the decoding signals to your specific application needs. · Microcontroller Interrupt Signal: Provides an STD signal output compatible with microcontroller interrupt inputs, enabling seamless integration into embedded systems. · Wide Operating Voltage: Operates efficiently within a DC 4.5V to 5.5V range (typical 5V), ensuring compatibility with various power supplies. · Robust IO Drive Capability: Features sink current (low-level drive) up to 20mA and source current (high-level drive) of 270µA, supporting diverse electronic control requirements. · Compact and Lightweight Design: The PCB measures just 50 x 20mm (1.97 x 0.79 inches) and weighs approximately 18g, making it easy to embed in tight spaces and portable devices. · Wide Temperature Range: Reliable performance in temperatures from -40°C to 85°C, suitable for various environmental conditions. Specifications: · Power Supply Voltage: DC 4.5V–5.5V (Typical 5V) · Operating Temperature: -40°C to 85°C · IO Drive: Sink Current 20mA (Low Level), Source Current 270µA (High Level) · Output Channels: 16 Channels (0-9, *, #, A, B, C, D) · Mode Selection: 8 selectable modes · PCB Size: 50 x 20 mm (1.97 x 0.79 in) · Weight: Approx. 18g Package Includes: · 1 x 16 Channel DTMF Decoder Module · 1 x Male to Male Audio Wire (3.5mm jack) This 16 Channel DTMF Decoder Module is an ideal solution for embedding telephone keypad decoding and remote control decoding in various electronic projects. Its flexible output modes, microcontroller compatibility, and compact design make it perfect for both professional and hobbyist applications requiring reliable voice dialing decoding functionality.