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.
Special Collections Research Center, University of Chicago Library. A call for American independence from Britain, the Virginia Declaration of Rights was drafted by George Mason in May 1776 and amended by Thomas Ludwell Lee and the Virginia Convention. Thomas Jefferson drew heavily from it when he drafted the Declaration of Independence one month later.