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Simple Speaker Audio Output Transformer Circuit

Last updated on 2 June 2026 by Admin-Lavi Leave a Comment

Imagine our voice is strong but we whisper through a tiny straw to reach our far friend but it wont work. Same is in circuit for Simple Speaker Audio Output Transformer Circuit which works like a megaphone for sound signal. Furthermore, it takes strong signal from amplifier and changes it to fit the speaker so […]

Filed Under: Amplifier Circuits, Audio Circuits, DIY Projects, Hobby Circuits, Mini Projects

Simple CFL Driver Circuit

Last updated on 2 June 2026 by Admin-Lavi Leave a Comment

CFL bulb need special helper circuit to turn ON and glow bright, as this Simple CFL Driver Circuit change home electricity into power CFL can use. Furthermore, CFL bulb uses little mercury vapor to make invisible light and then it hits special powder to make light we see. Circuit Working: Parts List: Components Values Quantity […]

Filed Under: Hobby Circuits, LED and Lamps, Mini Projects

Simple Two Transistors Amplifier Circuit using 1.5V Battery

Last updated on 2 June 2026 by Admin-Lavi Leave a Comment

This Simple Two Transistors Amplifier Circuit using 1.5V Battery works like loudspeaker for small sounds, as it uses 2 small parts called transistors and 1.5V battery to make weak sound strong. Also, it is simple mini amplifier which are good for small projects for making music sound better. Circuit Working: Parts List: Components Values Quantity […]

Filed Under: Amplifier Circuits, Audio Circuits, Hobby Circuits, Transistor Circuits

How to Find the Charging Current of a Battery

Last updated on 1 June 2026 by Admin-Lavi Leave a Comment

To charge battery safely we need right amount of electricity like current, as it is the same like plant needs right water. Most people use multimeter to check this but not everyone has it; also in this article for How to Find the Charging Current of a Battery is easy trick without tool: Circuit Working: […]

Filed Under: Battery Charger Circuits, DIY Projects, Hobby Circuits, Mini Projects

Simplest Blown Fuse Indicator Circuit

Last updated on 1 June 2026 by Admin-Lavi Leave a Comment

This Simplest Blown Fuse Indicator Circuit shows if fuse is good or bad without checking it by hand; also if fuse is okay then green LED turns ON. Furthermore, if fuse blows then green LED goes OFF and red LED turns ON and that means fuse is bad and needs to change. Circuit Working: Parts […]

Filed Under: DIY Projects, Hobby Circuits, Indicator Circuits, Mini Projects, Security and Protection

How to Generate a Safe 220V AC Supply

Last updated on 1 June 2026 by Admin-Lavi Leave a Comment

If anyone’s project needs How to Generate a Safe 220V AC Supply from home power, then this is the circuit but we need to be careful. This voltage is dangerous and to stay safe we can use a step-down transformer, as it makes voltage lower and safer and it also has safety parts to stop […]

Filed Under: DIY Projects, Hobby Circuits, Mini Projects, Power Supply Circuits

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