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:: Home » BD140

BD140

5 Simple emergency light circuit | Many ideas

Last Updated on: March 4, 2023 by Apichet Garaipoom
Simple emergency light circuit

This is first mini emergency light of my son. It is very small, use LED display when power outage,use transistor instead relay use AA battery charger. Read more

Categories Lightings, Recycling electronics Tags BD140, Homeschooling 3 Comments

50W OCL main amplifier using LF351-2N3055-MJ2955 with PCB

Last Updated on: July 7, 2022 by Apichet Garaipoom
50W OCL main amplifier using LF351 2N3055 MJ2955 PCB

This 50W OCL main amplifier circuit has high quality and economical,it is designed simple,easily created, electronics rookie.cheap when compared to other Read more

Categories Amplifiers Tags MJ2955, BD140, OCL Power Amplifiers, Cheap Amps, 50 watt amplifier, Home Power Amplifiers 45 Comments

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