I need to output an analog signal(-5-5V) on an analog output channel, I need to be able to change the output voltage by a simple control on the front panel, the voltage will be continuously outputted for up to 15mins max probably. The voltage will only need to be changed now and then and then stay at that for a while untill the next voltage change. What's the best way to do this, all the examples I've found have used an internal clock etc which cannot be done as they are in use. There must be a simple way to do this?
Thanks