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Schematic Diagram Sensors and LDR

Color sensor is an interesting project for hobbyists. The circuit can sense eight colors, i.e. blue, green and red (primary colors); magenta, yellow and cyan (secondary colors); and black and white. The circuit is based on the fundamentals of optics and digital electronics. The object whose color is required to be detected should be placed […]

Sansui 15″ CTV Model: CTVB2B15-P powersupply problem,TV not switching on,replaced C4460, issue stil persists?

Raj asked: Hi, I have a Sansui 15″ color TV Model: CTVB2B15-P. It automatically switched off. When checked, fuse was blown out, I tried replacing the fuse, but it again blown out, so suspecting the problem with SMPS, I further checked and found that C4460 transistor (or STR) was short and replaced it, and now […]

Basic 3-Way Switch Diagram

Basic 3-Way Switch Diagram

Audio circuit

Audio circuit High cost using NAD3020i Audio circuit High cost using NAD3020i

Audio Doorphone Intercom Circuits using 4093 and 4066

Audio Doorphone Intercom Circuits using 4093 and 4066 Audio Doorphone Intercom Circuits using 4093 and 4066

Microcontroller power supply circuit using mosfet

Microcontroller power supply circuit using mosfet on any cell charger phone circuit using 74C14, IRFZ48Z

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