External Wiring Diagram of Intelligent Recording and Playback Chip HY18A
Source:xier1998
2023-05-16 14:17:10
30
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HY18A
Basic features of HYl8A:
(1) HYl8A is a soft-encapsulated, low-cost language processing circuit. It's in conjunction with some necessary peripheral circuits
55mm × 40mm circuit board.
(2) HYl8A is an intelligent language processing circuit because there is a voice-controlled transcription and playback conversion circuit inside the circuit. When connected
After power supply, the circuit is in a waiting state. If the external microphone picks up the sound, the circuit automatically enters the recording state. When Sound
When the sound stops for 1 to 2 seconds, the circuit automatically converts to a playback state. After playback, it automatically converts to a waiting state.
(3) HYlSA has auto-adjust function. Its recording oscillator and amplifying oscillator are independent as long as they are changed separately
By changing the resistance of the two oscillators, you can play the sound faster, slower, or equal than the sampling frequency of the recording, thereby playing the sound
The purpose of the variations.
(4) HYl8A outputs high-level signals during playback to drive the motor directly, so that the motor can drive some mechanical actions.
Recording and playback time is 8-16s.
_Use 6V or 9V DC power supply.
HY18A Pin Arrangement and External Coil:
HY18A Pin Arrangement and Wiring Diagram
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