2Pcs 5V MAX485 TTL To RS485 Converter Module Board Geekcreit for Arduino - products that work with official Arduino boar

2Pcs 5V MAX485 TTL To RS485 Converter Module Board ForFeature Operating voltage 5VOn board MAX485 chipA low power consumption for the RS 485 communicationSlew rate limited transceiver5 08mm pitch 2P terminalConvenient RS 485 communication wiringAll pins of chip have been lead to can be controlled through the microcontrollerBoard size 44 x 14mmPackage included 2 x MAX485 TTL to RS485 module