220 V AC to 5 V DC transformerless supply — KiCad schematic, PCB and gerbers. 1N4007 bridge, LM7805 regulator. ⚡
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Updated
Jun 27, 2026
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lm7805
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Hardware lab archive: regulated 5V DC supply (transformer ??? bridge ??? filter ??? LM7805). PDF write-up, live demo videos, 20 labelled screenshots, BOM, pinouts, and rebuild checklists.
engineering documentation hardware transformer breadboard student-project circuit-analysis proteus electrical-engineering multimeter power-electronics voltage-regulator electronics-lab lab-project dc-power-supply ac-to-dc rectifier lm7805 bridge-rectifier 5v-supply
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Oct 9, 2026
Understanding how a transformer, bridge rectifier, filter capacitor and LM7805 work together to produce a stable 5V output through LTspice simulation and practical implementation.
engineering simulation electronics breadboard power-electronics power-supply voltage-regulator ltspice hardware-implementation lm7805 linear-regulator
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Jul 17, 2026
PCB design project using KiCad 9: single-sided 5V regulated power supply with LM7805, full design workflow from schematic to Gerber files.
hardware electronics kicad gerber electrical-engineering power-supply voltage-regulator pcb-design through-hole lm7805 linear-regulator single-sided-pcb 5v-power-supply
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Jul 11, 2026
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