串口通讯的数据包由发送设备通过自身的TXD接口传输到接收设备的RXD接口。在串口通讯的协议层中，规定了数据包的内容，它由启始位、主体数据、校验位以及停止位组成，通讯双方的数据包格式要约定一致才能正常收发数据。 ESP32串口通信常用函数： ESP32开发 ...

An ideal application for mesh networking is off-grid communication; when there’s no cellular reception and WiFi won’t reach, wide-area technologies like LoRa can be used to create ad hoc wireless ...

Pagers may have largely gone out of fashion in the age of the smartphone, but the T-LoRa Pager from LILYGO puts a modern spin on the class communications device. It’s a portable device with a 2.33 ...

Microchip Technology Inc.MCHP revealed that its RN2483 LoRa module had passed the LoRa Alliance's LoRaWAN Certification Program, and it is the first of its kind to do so. The module was independently ...

As popular as the post-apocalyptic Zombie genre is, there is a quite unrealistic component to most of the stories. Well, apart from the whole “the undead roaming the Earth” thing. But where are the ...

While designing an internet of things (IoT) project that also required a long radio-frequency link, it occurred to me that there are pre-wired modules already built to do that. In fact, not only do ...

A dual combo module from CWD, the CBTLRM02, supports both LoRa and Bluetooth Low Energy for wirelessly connecting IoT devices to the cloud. The multiprotocol, low-power module provides global LoRaWAN ...