I am about to start a simple wireless project. Basically, when the user pushes or releases a button on a remote unit, some data should be transmitted to a main unit. Thus, when the button is pressed or released, I need power for about two seconds on the remote unit. At all other times, I want...
I would to perform some vibration tests using the Brüel & Kjær Mini-Shaker Type 4810. My test setup is a little odd because I want the shaker to be slightly displaced from its default position when performing the tests. This means the signal I send to the shaker must have a DC-bias. I have an...