George Graves built this Constant Current Dummy Load Project based on this blog post over at the EEVBlog. It was built from a single sided board which was designed using ExpressPCB. That software is very nice to draft something up fast and it allows for an easy screen grab to etch what you see quickly.
Thanks for sending this in Jim.
“The only change I really made was running the opamp at 8 volts (7808) for a bit more range. It seems happy at 1 amp. Two amps and things start to really heat up.”