[导读]矩阵中的按钮代表LED。您可以根据需要切换它们，然后按“发送到UNO”。此按钮数据被转换为JSON并发送到后端。一旦您 ...

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STM32 Arduino core's JSON url doesn't work when added in Arduino IDE's preferences. I have copied url from official guide which is as below: When I open this directly in Browser, it is not returning a ...

The service provides application developers an API that allows application data to be synchronized across clients and stored on <strong>Firebase’s</strong> cloud ...