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 ...

LILYGO T3S3 E-Paper is an ESP32-S3 WiFi and Bluetooth LE development board with a 2.13-inch e-Paper display and an SX1262 LoRa module that should make it suitable for off-grid messsaging even under ...

Almost all of modern society is built around various infrastructure, whether that’s for electricity, water and sewer, transportation, or even communication. These vast networks aren’t immune from ...

LoRa is the new hotness in low-power, long-range communications. Wanting to let the packets fly, [Xose] was faced with a frequecny problem and ended up developing a Europe-friendly LoRa module for the ...

The LILYGO T-Deck is a pocket-sized device with a 2.8 inch, 320 x 240 pixel IPS LCD display, a BlackBerry-like thumb keyboard, and an ESP32 dual-core processor. While it’s not exactly a smartphone, it ...