\usemodule[circuitikz] \starttext A simple example to test the installation. \startcircuitikz[scale=1.2] \draw (0,2) to[I=1\milli\ampere] (2,2) to[R, l_=2\kilo\ohm, *-*] (0,0) to[R, l_=2\kilo\ohm] (2,0) to[V, v_=2\volt] (2,2) to[cspst, l=$t_0$] (4,2) -- (4,1.5) to [generic, i=$i_1$, v=$v_1$] (4,-.5) -- (4,-1.5) (0,2) -- (0,-1.5) to[V, v_=4\volt] (2,-1.5) to [R, l=1\kilo\ohm] (4,-1.5); \stopcircuitikz \stoptext