addonDesc = stick with 2 k2182a voltmeter

makenv vm1 -driver nanov -port lollypop-ts:3001
makenv vm2 -driver nanov -port lollypop-ts:3002

GraphAdd vm1.u1 V Vx
GraphAdd vm1.u2 V Vy
GraphAdd vm2.u1 V Vz
GraphAdd vm2.u2 V VT