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Automotive electronic password lock circuit diagram

2017-01-08 01:05  
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Automotive electronic password lock circuit diagram
Automotive electronic code lock circuit is shown as above. ICl is exclusive lock for the integrated circuit 5G058, its ① ~ ⑥ feet connect external key switch to the power supply. They are six valid input keys. The unlock must follow the sequence of Sl ~ S6; pin ⑧ button switch S7 is connected to the false key input. It is free to pick one or a few keys on the keyboard plugged in as real mixed; pin⑨ is the key indication side, each key will cause the external connectivity in the light-emitting diode LEDl.