Mine runs on a years-old Raspberry Pi Model B Rev 2. A Raspberry Pi 3 Model B+ (which has an ethernet port), SD Card and case is about £40 at pihut, that's CAD7

Mine runs on a years-old Raspberry Pi Model B Rev 2. A Raspberry Pi 3 Model B+ (which has an ethernet port), SD Card and case is about £40 at pihut, that's CAD70 A Zero 2 W with wireless is half that or less including the case, SD Card and power supply.