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.
The International Bill of Human Rights consists of the Universal Declaration of Human Rights, the International Covenant on Economic, Social and Cultural Rights, and the International Covenant on Civil and Political Rights and its two Optional Protocols.anadian John Peters Humphrey was called upon by the United Nations Secretary-General to work on the project and became the Declaration's principal drafter. At the time, Humphrey was newly appointed as Director of the Division of Human Rights within the United Nations Secretariat.