![乐高机器人:Scratch与WeDo编程基础实战应用](https://wfqqreader-1252317822.image.myqcloud.com/cover/707/31251707/b_31251707.jpg)
上QQ阅读APP看书,第一时间看更新
2.2 WeDo 2.0模块详解
认识图标
1.电动机(马达)
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/40_01.jpg?sign=1739475253-3YzXDQjJxco3rHR8zfMgANrgfjI6R3Bl-0-048fb210c0b8b08a23be2a911ca511ab)
电动机功率
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/40_02.jpg?sign=1739475253-UpLckZevnwTem0FX1Oqc5d5Bt2kBsFY2-0-e86dc891f2d0cbd2b35063a5bc93ab03)
电动机等待
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/40_03.jpg?sign=1739475253-fkMehfPh69bfUenkogzA4PcXiBM8FKa6-0-35581edb0e641d2be31924ed01527971)
电动机停止
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/40_04.jpg?sign=1739475253-MTe4WCPw49dqPYSaYiTZmDKmuHrF7lSw-0-f812b628852cf9a42bdec2ad217896c4)
电动机正转
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/40_05.jpg?sign=1739475253-IM3KnyMTnbV24f8SDiBCXnMtmjlHobGz-0-7be1021b139ec55e35a1bdb367cf74b2)
电动机反转
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/40_06.jpg?sign=1739475253-VHcfg88XJ4K8vh77bzepTKL7aoqt4mZU-0-8ad9a0c45aa47379cab9ce978c0cb5f6)
指示灯
2.显示图标
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/40_07.jpg?sign=1739475253-fDia8wOfLHYI67pxd8SsCpF5C438fy5M-0-85895cf52f1f776d6bf5396e9be36a84)
图片
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/40_08.jpg?sign=1739475253-DFcaYYb8aMyp4EE7zr9BGHRntWKU7T17-0-4d0219a14d0f3d674c68b96094d60c4e)
文本
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/40_09.jpg?sign=1739475253-mVYYw8LrXIZ1BrR2TORN3c80BCeS33TI-0-fe588c0b906d57ff00f4ba8622a53c4d)
运算符
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/40_10.jpg?sign=1739475253-5qL1A70uYfF4P9MRX0VFDSFk59dO6scf-0-955e9e7fb6bb485190ad3e8ceeb98c2b)
中屏显示
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/40_11.jpg?sign=1739475253-trdeyd9USRoEn9panogxGIIe2K0QtKsM-0-a0a5ce6b15f86faf873b50e7efebdc05)
播放音乐
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/40_12.jpg?sign=1739475253-5lRHcWwT0FKFaHzYSIRuC3SsFJWFWkiZ-0-0a93347d608b4f6c1aa5c74587e27dee)
全屏显示
3.流程控制
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/41_01.jpg?sign=1739475253-iddIGcb1rmIqjDYnjHd0aDT7TdUFCE2B-0-930dd3749bccfb5f227d2eb48e7f2157)
开始
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/41_02.jpg?sign=1739475253-4a3BuZzFg4d5Iyjkmp1ulXr0ZK2sK5Qx-0-e382a751cd530b9572ab3fdea5f02bc0)
按键开始
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/41_03.jpg?sign=1739475253-8Y8sCzsNHCELYdBFYSWdxJVRIi3qAoa5-0-98fdc09b9dddb86f3429478b8df5f9b3)
信息开始
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/41_04.jpg?sign=1739475253-OF3WCcrJgPdRes3Dh7F4Bs2sAC5Ambol-0-42a720c12c7a36391a3834b49bb83987)
信息发送
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/41_05.jpg?sign=1739475253-yGNmF7q9VE1HRaYI74e1Ojl1Lc5BJOcS-0-2493af9d8c9bbb2211cc35ccc192d926)
等待
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/41_06.jpg?sign=1739475253-kvNtBMaK7hLVluAuPuMcJlCkPQuqokLy-0-b5723d22a4565bba9cfafd6e2f7a14a7)
循环
4.赋值图标
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/41_07.jpg?sign=1739475253-PWg28DTRF88dGjqVWRNWn3ZWIvUzHunT-0-9da9814019e8f94109002583a0b0feec)
输入数字
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/41_08.jpg?sign=1739475253-6ygQJzuL2shggjnIe8S3o6dQhjtsZIR0-0-9c192ce72069a1353b91ce8ea1425f1d)
输入文本
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/41_09.jpg?sign=1739475253-2HYUGqU0eenDRxtgCyqDY3rgXhw9O6eo-0-784fdb936489d393616257bb7c078a9f)
随机数字
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/41_10.jpg?sign=1739475253-ryNkZURSuQiOxYN41qIic8jBCi3EqJbk-0-c0ef37c31d8d0dd48cca8029adb68580)
动态数字(变量)
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/41_11.jpg?sign=1739475253-CnGICJaLhN5aGCGzvXvGR2dweavSO9NF-0-a52d6054f4e5a847572e078dd2d6b67e)
检测声音
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/41_12.jpg?sign=1739475253-QOrdFIOLxHAirMemwTZNZs76NSJoPSkg-0-f1854035bcd8ca0eab69d2d4eb4e32ef)
检测运动
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/41_13.jpg?sign=1739475253-k3fLArgn7GnZSqCzC83Fc1JQ6DLL8RUh-0-f63ef49a933c12fa8fedf5aaa55769d9)
检测平衡
传感器
以下是平衡(倾斜)传感器的6种状态。
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/42_01.jpg?sign=1739475253-MXmud38yR3LFUAbkYaAsPMTzHcTgSYQ3-0-00ac6355050ef4fc4829271368dcb333)
后倾
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/42_02.jpg?sign=1739475253-YajuusAAo7BUHecjo5N8NJgtpg30bo9e-0-da2295eb8b1b6777c7026c75893e8a25)
前倾
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/42_03.jpg?sign=1739475253-yRDxMmRMXNpzwLzK5CLkB9zNBKLWHTGC-0-d6fdb5dfd9fb57a5478ec234de329b82)
右倾
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/42_04.jpg?sign=1739475253-kSORDmwo4hcsLUghZXpI1hQrWCsbynxO-0-c6af7761e99cf0d4eb850188907b1c82)
左倾
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/42_05.jpg?sign=1739475253-KWjxEFKi6uAdVd8HdbPkZaofrKX3Lnzf-0-615faebf730b318964d619cf7267c418)
平置
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/42_06.jpg?sign=1739475253-LbdpIvZaJXSgWrhUVEBXjivvHPY6cWwL-0-6f2131fe59250234a2533895766530bb)
震动
以下是运动(距离)传感器的4种状态。
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/42_07.jpg?sign=1739475253-gm01xHH6T5dL0OyWHqOAwiOAhbFC7eZX-0-02276ee96051ea2211e6f3927001fa6d)
远近(任何距离变化)
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/42_08.jpg?sign=1739475253-xy2OQrK40epTvzhjtu8DpqnOY22uPvCr-0-be1b08bbe207c874ea65cd33ea8d26c1)
靠近
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/42_09.jpg?sign=1739475253-2JF2ZQepIslugc86lBavpjA2WopmYEvi-0-41e36660493027aa8363d9af2b61463d)
远离
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/42_10.jpg?sign=1739475253-ne0oicZLWAhtMQzr64cf8OzceQSEqEvo-0-3ae5cf9a5f67fb8856a0b521d99a7e1c)
读数(向程序块输入运动传感器检测到的数值,0~10)
执行顺序
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/43_01.jpg?sign=1739475253-b3gDshA0rpj2BZXkHnQClOMICj1sHSYj-0-623f38c412219b4b88ba45447ed57585)
WeDo按从左到右的顺序执行程序
条件判断
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/43_02.jpg?sign=1739475253-KvcVrID7cH3KY5Em88oSCQYxPmpVE6A6-0-017b3bf8050350967e361eb2af5e1a55)
移近和离开
循环
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/43_03.jpg?sign=1739475253-Uwe7Kc6U750TABOrxrkNuY1T6bFqrUDs-0-aa613645fd7971f50cc6bd52a33da26e)
循环4次
并行程序
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/44_01.jpg?sign=1739475253-PAc62ac4Xq5shDyn0QjkxJCWY3Au9eKx-0-b9075f3e6de039fbad1bd46964126c35)
按A启动程序,同时运行两个循环检测。
发送消息
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/44_02.jpg?sign=1739475253-WquyqlBQUwdhyrQkR3CPL7WUiYhMeq53-0-2b2558a43e2a310e704b04f1066f2d24)
发送消息abc,同时启动“显示”和“音乐”。
发送随机信息
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/44_03.jpg?sign=1739475253-Y6LjDbAUkP4zNp0B3su3JSJ6On5YHKeA-0-3070737686725f147319016e8e97f59e)
显示随机数和发送随机数。
运算
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/45_01.jpg?sign=1739475253-RBksOfe8yARYqGHd8UrLKuloTbtlVg6S-0-17ceae318ec6188640e955d50cc16569)
认识图标:动态数字(变量)
加法
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/45_02.jpg?sign=1739475253-Rch7RkppO0pRiHd0H28063s5wxETNLZ3-0-d62a4cba5fdb9eae096b21afe320629c)
使用WeDo 2.0编程:3+6=9
常用运算程序
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/45_03.jpg?sign=1739475253-4Hg8RfBP1rwtJ1BYBJqgXht3p0yBmps8-0-76e6c04e5788e2006baeebf4d29325f5)
乘于速度
![](https://epubservercos.yuewen.com/896E45/16923818205021606/epubprivate/OEBPS/Images/45_04.jpg?sign=1739475253-F5sEq3R783PxMmc4SJw3NC8tFCETzb59-0-85b3a1c339b25ef9b0daf8192d6a0dca)
降低速度