模拟的插脚3到6可供传感器输入使用;假设插脚1和2保留给Ethernet shield使用(查看参考资料,以了解有关插脚使用的更多信息)。
You then have analog pins 3 to 6 available for sensor input; assuming pins 1 and 2 are reserved for use by the Ethernet shield (see Resources for more about pin usage).
假设,我想保留这个直角。
假设您希望从生成的HTML表单中删除EmailAddress字段,因为对于通过电话接收的转帐,银行希望将此字段保留为空。
Imagine that you want to remove the EmailAddress field from the generated HTML form because the bank wants this field kept empty for transfers that are received over the phone.
应用推荐