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KD9561 four-tone analog sound music circuit
Source: InternetPublisher:赔钱虎 Keywords: BSP Updated: 2021/12/12
KD 9561 music circuit is a four-tone analog sound circuit; according to the different connection methods of the selected sound terminal
, it can emit siren, ambulance, fire truck and engine
room sounds.
Main electrical parameters: working voltage 1.5-5V; power consumption current
is about 30mA at 1.5V. 4.Approximately 150mA at SV.
Its application circuits and circuit boards
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