project_comfinal.rar - it can add two numbers and shows the answer
redlight.rar - It can display traffic light
including:seconds reciprocal
rgb.rar - It can show rgb from red to green and to blue cyclically
star.rar - It can play song:"little star" automatically
combine.rar - This combines keyboard which can display numbers you want to show
also it can make sounds like do re mi fa so ra