I2C_SCANNER is a class to build an I2C scanner, either minimal or more complex. The class provides different functions to analyse the connectivity of devices on the I2C bus. There are functions to ...

Nowadays there are many hardware communications protocols to choose from, UART, SPI, I2C three protocols are the most representative, they are widely used. They have different characteristics, and how ...

The DHT20 is a humidity and temperature sensor. The sensor has a fixed address of 0x38. It is not known if the address can be changed. The library must be initiated by calling the begin() function.

很多人不知道怎么看着时序图写程序，下面结合一个非标准的I2C器件，教大家如何写一个高效的IO模拟I2C时序。 观察该时序，具备I2C的开始信号，I2C的结束信号，I2C的应答、非应答、响应应答，以及写字节和读字节的基本操作时序。 下面，我们一步一步分析。