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ASR Unit with Offline Voice Module (CI-03T)

U194 · M5Stack

ASR Unit with Offline Voice Module (CI-03T) photo

Unit ASR is an AI offline speech recognition unit, built with the CI-03T AI intelligent offline speech module. This unit features powerful speech recognition, voiceprint recognition, speech enhancement, and voice detection capabilities. It supports AEC (echo cancellation) to effectively eliminate echo and noise interference, improving speech recognition accuracy. It also supports mid-session speech interruption, allowing it to flexibly interrupt and quickly respond to new commands during… (M5Stack U194)

Part numberU194
ManufacturerM5Stack
CategoryAudio › MP3, Voice & Sound Boards
Pins4

ASR Unit with Offline Voice Module (CI-03T) pinout

PinNameTypeDescription
1SIG1bidirectionalPORT.B: GPIO/analog; PORT.C: UART - see the unit's pin map
2SIG2bidirectionalPORT.B: GPIO/analog; PORT.C: UART - see the unit's pin map
35Vpower
4GNDground

Schematic symbol and footprint

5V3SIG11SIG22GND4
Schematic symbol
1234
Footprint: Grove HY2.0 4-pin through-hole, 2.0 mm pitch — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

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