{HEAD ~ a transistor} having a base terminal connected to the microprocessor, a collector terminal and {TAIL ~ an emitter terminal} connected to ground; and 
having
{ HEAD ~ a transistor } having a base terminal connected to the microprocessor , a collector terminal and { TAIL ~ an emitter terminal } connected to ground ; and
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH