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.
With her were RenÃ© Cassin of France, who composed the first draft of the Declaration, the Committee Rapporteur Charles Malik of Lebanon, Vice-Chairman Peng Chung Chang of China, and John Humphrey of Canada, Director of the UNâs Human Rights Division, who prepared the Declarationâs blueprint.