V3.1.5
修正 0度以下温度读取错误，导致程序出错
Corrected the temperature reading error below 0 degrees, causing program error.

V3.1.6
修正 EAF设置运行长度为1步时，不工作问题
修正 电机过载保护机制
Fixed the problem that EAF does not work when the running length is set to 1 step
Corrected motor overload protection mechanism

V3.1.7
提高电机负载能力。
Increase motor load capacity.

V3.1.9
修正 外置温度传感器精度
修正 内部数据保护功能
Corrected external temperature sensor accuracy
Fixed internal data protection function

V3.2.2
代码优化
支持EAF 5V
Code optimization
EAF 5V supported

V3.2.3
代码优化
Code optimization

V3.2.8
代码优化
Code optimization

V3.3.0
代码优化
Code optimization

V3.3.2
代码优化
Code optimization

V3.3.3
提高外部传感器精度
Enhance the external temperature sensor accuracy

V3.3.5
代码优化
Code optimization
Add Mac Linux update tool