These QR codes have, to date, been hosted on a number of materials including formal letters sent out from the local authority Housing Department, information cards and info graphics.
Hyd yma, mae'r codau QR hyn wedi'u rhoi ar nifer o ddeunyddiau gan gynnwys llythyrau ffurfiol a anfonwyd gan Adran Dai'r awdurdod lleol, cardiau gwybodaeth a graffeg gwybodaeth.