Arduino rtc ds3231

Arduino rtc ds3231

Arduino rtc ds3231 online

biblioteca arduino rtc

A primeira pergunta que vem aqui é por que realmente precisamos de um RTC separado para nosso Projeto Arduino, quando o próprio Arduino tem um cronômetro incorporado. A questão é que o módulo RTC funciona com uma bateria e pode acompanhar o tempo mesmo que reprogramemos o microcontrolador ou desliguemos a energia principal.
O DS3231 é um relógio de tempo real de baixo custo e alta precisão que pode manter horas, minutos e segundos, bem como informações sobre o dia, mês e ano. Além disso, ele tem compensação automática para anos bissextos e para meses com menos de 31 dias.
O módulo pode funcionar em 3,3 ou 5 V o que o torna adequado para muitas plataformas de desenvolvimento ou microcontroladores. A entrada da bateria é de 3V e uma bateria CR2032 3V típica pode alimentar o módulo e manter as informações por mais de um ano.
Uma vez conectado o módulo, precisamos programar a placa Arduino para trabalhar com o Relógio em Tempo Real. Entretanto, quando se trata de programar uma comunicação entre o Arduino e um módulo I2C, o código não é tão pequeno e fácil. Por sorte, já existem várias bibliotecas para o DS3231 RTC que podem ser encontradas na Internet.

Arduino rtc ds3231 on line

biblioteca arduino ds3231

na etapa 4ReplyUpvoteWow. Mais um “exemplo” que está completamente quebrado. a PRIMEIRA linha que não é um comentário está errada. Como é possível ter tantas pessoas incompetentes escrevendo exemplos para esta parte.0david.plecko12Question
O único problema é que sempre que eu ligo meu arduino, ele exibe a hora e a data que eu defini no meu código. Obrigado
ReplyUpvoteNo canto inferior direito de seu monitor serial é a taxa de bauds na qual o monitor serial funciona. A taxa de bauds neste código é definida em 115200, enquanto o monitor serial é definido em 9600 bauds. Para corrigir isso, você deve fazer a taxa de transmissão corresponder, alterando a linha de código de Serial.begin(115200); para Serial.begin(9600); ou você pode simplesmente alterar a taxa de transmissão no próprio monitor serial para 115200.0draikx21MarkusS47.
ReplyUpvoteSerial.begin(115200);Você tem que mudar a baud no fundo direito da baud da corrente/default 9600, para a que está no código; 155200. Clique no menu suspenso, e escolha “155.200 baud” e ele começará a funcionar para você.0Jadem52

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