@EdinFifić Thanks for taking a moment. I'm of two minds. The first is to completely embrace your arrangement as a very good teaching stair-step. The output is essentially useless faced with the usual "google-search" for 555 timer circuits. It mostly won't work due to the poor quality "pin 3 output" design. But I have to admit that it is a very good segue if the goal is strictly about taking a small step towards larger teaching goals. The other mind I have is that many will still need the high current compliance 2-quadrant output and it fails there. But thanks! I do take your point.
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