Voice module, voice recognition module, LD3320 chip, non-specific voice

product description ELECHOUSE speech recognition module is a compact and easy to control speech recognition board. This product is a speaker-related speech recognition module. It supports up to 80 voice commands. Up to 7 voice commands can work simultaneously. Any sound can be trained as a command. The user needs to train the module before the module recognizes any voice commands. The board has two control methods: serial port (full function), general purpose input pins (some functions). The general output pin on the circuit board can generate several waveforms, and the corresponding voice command is identified.