Dual channel RS485 Pico expansion boardBuilt-in SP3485 driver chip, using UART communicationThe onboard Raspberry Pi Pico interface is suitable for Raspberry Pi Pico series motherboards.Suitable for Raspberry Pi Pico series motherboards, solder headers, and can be directly connected to the Pico motherboard to support stacking useFor Raspberry Pi Pico series motherboards, solder headers, and can be directly connected to the Pico motherboard to support stacking useWorking voltage: 3.3vCommunication interface: UARTRS485 transceiver: SP3485Communication rate: 300-500000bpsColour:blueMaterial:PCBSize:52.5 x 21MMPackage Contents:1 x Expanding BoardOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.