[导读]想象一下，把Arduino和GSM模块(如SIM900或SIM800)变成一个微型电话：你可以按下一个按钮拨出或发送消息!下面是如何构建您自己的简单项目。 Arduino+ GSM模块：打电话和发短信 想象一下，把Arduino和GSM模块(如SIM900或SIM800)变成一个微型电话：你可以按下一个按钮 ...

SMS server for GSM modem hardware with HTTP/WebSocket APIs, database, delivery tracking and GNSS location support. Designed for Raspberry Pi + GSM HAT setup.

Abstract: As indicated by an investigation and insights of WHO (World Health Organization), every year more than 50% of people lose their lives due to street traffic wounds of which most of them are ...

Abstract: The mining sector is extremely concerned about coal mine safety. Mine accidents can have a variety of causes and effects, such as catastrophic mine failure, significant pecuniary losses, and ...

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