When a transmitter sends a Wi-Fi signal and a receiver captures it after it passes through a person, the signal’s changes can ...

Example library for driving Adafruit WS2801 pixels! Designed specifically to work with the Adafruit RGB Pixels! 12mm Bullet shape ----> https://www.adafruit.com ...

These displays use I2C or SPI to communicate, 2 to 5 pins are required to interface. Adafruit invests time and resources providing this open source code, please support Adafruit and open-source ...

Before the Raspberry Pi came out, one cheap and easy way to get GPIO on a computer with a real operating system was to manipulate the pins on an old parallel port, then most commonly used for printers ...

Events are in chronological order. ALA's offices and divisions sponsor a variety of library promotions throughout the year that libraries of all types all across the country can get involved with to ...

December 24 - January 4: Closed Remote Access to Library Resources Student Access Guide Assistance If you need any assistance, you can chat with a librarian by clicking the chat button above. You may ...