Home Big Sale [Discount Up To 20%] RS485 & CAN Shield Expansion Board for Raspberry Pi 4 Model B/3B+/3B/2B/Zero/Zero W Big Sale - January 13, 2020 [SalePrice] Original Price: US$37.99 ([Discount]) Special Offer RS485 & CAN Shield Expansion Board for Raspberry Pi 4 Model B/3B+/3B/2B/Zero/Zero W with Free Worldwide Shipping! Rating : / 4.66 Buy on Banggood Product description SHARE ON Twitter Facebook Whatsapp Pinterest Tags Big Sale