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This article describes Keith’s process of designing a no-IC, high voltage power supply for his updated Nixie-Transistor clock.
Build a digital clock using only transistors as the active elements. The final parts count is 194 transistors, 566 diodes, 400 resistors, and 87 capacitors.
Winding Inductors – Cell Phone PIC Control – Electronic Lock
Continuity Tester - RF Oscillators - Connected Cars - Thermal Management
Selected questions from past Q&A columns.
Need to brush up on your electronics principles? These multi-part series may be just what you need!