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.
âEleanor Roosevelt, wife of US President Franklin D. Roosevelt, and Chair of the United Nations Commission that wrote the Universal Declaration of Human Rights in 1948. Read the United Nations Universal Declaration of Human Rights in a simplified form. >> Read the full text of the United Nations Universal Declaration of Human Rights. >> Â»