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Circuito para testar o I2C #1

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castrorenam opened this issue May 3, 2022 · 0 comments
Open

Circuito para testar o I2C #1

castrorenam opened this issue May 3, 2022 · 0 comments

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@castrorenam
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Olá,

Poderia descrever um circuito para testar a comunicação I2C. Estou tentando usar o código de exemplo para conectar com um RTC I2C, mas na leitura só recebo 0xff. Para compatibilizar a comunicação o RTC uso um conversor de nível lógico bidirecional 3.3V para 5V e vice-versa.

Atenciosamente,
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@castrorenam