This is a module that allows the TTL interface of the microcontroller to be transferred to the RS485 module. It is generally used for industrial automation. This module adds lightning protection design and anti-jamming design.
This module works on 3.3v to 5v, it is very much compatible with esp32 and esp8266 boards, as esp32 boards and esp8266 boards support only 3.3V
It uses a standard 2.54 mm pitch design. It supports communication between multiple microcontrollers, allowing up to 128 devices on the bus. It can be hot-swapped in order to prevent signal interference, it carries out a large area of copper.
1 x UART TTL to RS485 Serial Converter