Contains many nice examples. Most of them are Radio Amateur related. Contrive designes lots of industrial used products. They are specialised in safety-related techniques and the capability to reach the international certification for this. Contrive has also a complementary branch, raised through the years for internal purposes and next proposed to the market.
Software comes with full source code.
No dongle is required. A collection of links devoted to microcontrollers. Embedded systems custom design. Electronic components import and distribution. Technical literature publishing.