Designed for deterministic timing, low CPU usage, and industrial protocols (Modbus RTU, custom binary frames, etc.). RX is enabled by default after begin(). However, because this library uses DMA, RX ...
The transceiver connects to the UART of the MCU. For ESP32, pin 16 to TXD and pin 17 to RXD are the default ones but any other pins can be used as well. 3.3V to VCC and naturally GND to GND. If You ...
Here’s something fun from [Chad Kapper] over on HackMakeMod: Escape Room Lockbox with the Cheap Yellow Display. You may have heard of the “cheap yellow display” (CYD), so-called due to the board’s ...
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[导读]在工业自动化和物联网的浪潮中,串行通信协议如RS232和RS485扮演着关键角色。尽管它们同属串行通信标准,但在设计理念、应用场景和性能表现上存在显著差异。 在工业自动化和物联网的浪潮中,串行通信协议如RS232和RS485扮演着关键角色。尽管它们同属 ...