Jaycar is a centre of electrical products, hardware, security equipment, professional tools, ups and many more products. There are also publishes of Jaycar for scientific purposes. An annual catalogue of Jaycare contains thousands of professional products and hundreds of new ones. It’s a guide for those who want to improve their technology with DIY projects. Being a very useful source, it also guides people the good prices. Download the PDF versions of the annual catalogues. Computer components that are particularly important for mainboard are also in the catalogues of Jaycar. It’s a wonderful place for geeks and professionals who love to make a lot of projects. Since it has many good deals it’s popular amongst people as well. The brand also opens new branches across the whole country. Currently, there are over 200 stores. Long story short, you are able to find the greatest of electrical products and professional guide with these catalogues.