Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
尝试通过 arduino 使用 sim800l 向不是电话号码的号码拨打或发送短信会导致错误。有谁知道我如何将短信发送到三位数号码(例如,网络提供商的号码。)。我需要它来做一个项目。