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 ...
This system replaces the damaged physical HMI (model 4004.95C) with a responsive web interface accessible from any tablet or device with a browser.
Abstract: The growing adoption of renewable energy primary plants has been seen globally. South Africa has seen a significant development in utility-scale photovoltaic (PV) farms in recent years due ...