The document discusses how to write code for the Attiny10 microcontroller. It describes the Attiny10 as a small microcontroller and provides its datasheet. It then outlines the steps to write code which include: 1) wiring the Attiny10 to an AVR Mark II programmer with connections for SCK, VCC, RESET and other pins, 2) creating a project in Atmel Studio 7 and writing the code, and 3) programming the code into the Attiny10 using the programmer. It provides a tip about using the PB3 pin for reset and references sample code.