Mikroe DTMF Generator Click generates DTMF (Dual-Tone Multi-Frequency) signals designed for MCU interfaces. The board features the Holtek Semiconductor Inc. HT9200A dual-tone multi-frequency decoder used in mobile communications systems. The HT9200A tone generators have 16 dual tones and 8 single tones from its DTMF pin. It provides a Serial Mode interface, has a low total harmonic distortion, and features a low current in the Stand-By mode. https://elecena.pl/product/17355726/mikroe-dtmf-generator-click 2020-12-29 https://elecena.pl/product/17355726/mikroe-dtmf-generator-click 2025-03-23