At seminary, all classes use advanced video conference cameras for distance learning. But I bought a new computer, which turned out to be more advanced than the cameras. What to do? I switched to WhatsApp conference calls, using an amp to broadcast my smart-phone to learners in class. But it broke.
OBSERVATION: So I designed and built a new one today -- using just five components -- although it is decidedly lo-fi. I obtained the very small component count by using an
amplifier chip (no preamp) with positive feedback.
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