I am going to be setting up a variable speed pump. The speed of the pump will be controlled with a 0-5v output on a temperature controller. I want to set up a meter using 2 LM3914, 2 74LS147, and 2 4511 ICs. I have looked at a lot of posts, projects, and data sheets. what I'm not sure of is how to set up the 2 LM3914 ICs and interconnect them to the 74LS147 ICs. If someone can please help me.