Automatic voice device composed of SX-3

Relevant key device information used in this article: SX-3 8050 KD-5608 KD56030 sx. The SX-3 human body sensor switch outputs a high level from the U01 terminal to trigger the KD series voice integrated circuit. For example, the KD-5608 dog barking chip can be used for anti-theft or children's toys; the KD-56030 chip can be used to form an anti-electric shock reminder device. , can issue a warning saying "Danger of electricity, please keep away".