Serial Peripheral Interface (SPI) Introduction. Serial Peripheral Interface (SPI) is an interface bus commonly used to send data between microcontrollers and small peripherals such as shift registers, sensors, and SD cards. It uses separate clock and data lines, along with a select line to choose the device you wish to talk to.
Establishment of the Committee. In February 1947, in accordance with a decision from the first session of the Commission on Human Rights (E/259), a group consisting of Eleanor Roosevelt, Pen-Chun Chang and Charles Malik, began drafting the International Bill of Human Rights.
United Nations. Universal Declaration of Human Rights. The United Nations (UN) came into being in 1945, shortly after the end of World War II. The stated purpose of the UN is to bring peace to all nations of the world. After World War II, a committee of persons headed by Mrs. Eleanor Roosevelt, the wife of US President Franklin D. Roosevelt, wrote a special document which âdeclaresâ the rights that everyone in the entire world should haveâthe Universal Declaration of Human Rights.