Electronics Area – Electrical and Electronics Tutorials and Circuits


Welcome to Electronics Area

Electrical and Electronics Tutorials and Circuits

Digital Electronics


Operational Amplifiers

Circuit diagrams & Projects





Electronic Filters

Power Supplies

Electricity and Magnetism Basics

Instruments & Measurements

Recent posts

Energy-saving Flashing Pilot Light

This Energy-saving Flashing Pilot Light Circuit is intended to give us a visual warning that we have electronic equipment turned on. This is especially important on equipment that uses batteries.

Electronic Filters

Electronic Filters – Filters are networks that allow or block the passage of a specific group of frequencies (frequency band)

Light sensitive alarm using LDR

This alarm activates when the illumination level changes from almost total darkness to a moderately high illumination level. When this happens the alarm is locked and the alarm signal, be it a light or a sound, remains active.

Metronome circuit with adjustable BPM

This metronome circuit with adjustable BPM, allows those persons who study or are music fans, to keep the timing, quite accurately for a long period of time.

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