Uploaded February 2025 | Updated September 2026, 41 minutes ago

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No microcontrollers are used, cutting cost and complexity;
Elimination of the H11L1 optocoupler as a zero-crossing detector;
Practical examples of wave shaping circuits using the CD4093 quad two-input NAND gate with Schmitt trigger input;
Phase-controlled SCRs are used to produce full-wave pulsating DC with example circuits.
bristolwatch.com/science/scr_rec/index.htm
Previous video: LM555 Timer Monostable AC Power Phase Control
youtube.com/watch?v=O8w9cd-fbNg