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Level display circuit diagram composed of LED level meter driver integrated circuit
Source: InternetPublisher:toothache Keywords: LED circuit diagram integrated circuit Updated: 2020/10/28
The 10-point LED level display circuit composed of two BA6104 five-digit LED level meter driver integrated circuits is shown in the figure.
The 10-point LED level display circuit composed of two BA6104s is shown in the figure. Adjust the Vref of the 7th pin of IC1 to make the 5 LEDs L1~L5 in IC1 all bright; adjust the Vref of the 7th pin of IC2 to make the L1~L5 of IC2 All 5 LEDs of L5 are on. The lighting voltage is twice that of IC1. The lighting sequence is from L1 to L5 of IC1 to L1 to L5 of IC2.
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