|
Specification |
|
|
Module Type |
Isolated word/speaker-dependent
voice recognition |
|
Chipset |
LD3320 (ASR chip) + STM32
microcontroller |
|
Input Voltage |
DC 3.3V-5V |
|
Current Draw |
<50mA (idle), <100mA
(recognition) |
|
Microphone Input |
Built-in MEMS mic + 3.5mm external
mic jack |
|
Recognition Method |
Speaker-dependent (requires
training) |
|
Command Capacity |
50-100 phrases (configurable via
firmware) |
|
Response Time |
<0.5s (typical) |
|
Interface |
UART (TTL 3.3V), GPIO control pins |
|
Output Control |
5x GPIO pins (configurable as
trigger outputs) |
|
Language Support |
English/Chinese (other languages
via custom firmware) |
|
Operating Temp. |
-10°C to +60°C |
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