将 NEMA 17 步进电机与 A4988 步进驱动器连接，由 Arduino Uno 控制。 Connect a NEMA 17 stepper motor with an A4988 stepper drive, controlled by an Arduino Uno.

使用 pandas 和 sk-learn 进行机器学习分类建模的基本语法。Basic syntax to use pandas and sk-learn for machine learning classification modeling

地理数据选择、合并、计算、聚合并在 OpenStreetMap 上呈现。
Geodata selection, merge, calculation, aggregation and presentation on OpenStreetMap

将多个天气数据变量合并为一个(空气循环控制节能方案)。Roll multiple weather data variables into one (air circulation automation potential).
参考：Turner Method

模拟生态系统演化过程，以使转变可视化并预测变化影响。Simulate ecosystem evolution, visualize transformations and predict the impact of changes.
参考：Nature of Code

等轴测图是显示测量结果以及组件如何组合在一起的好方法。Isometric drawings are a good way of showing measurements and how components fit together.