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 […]
Hobby Circuits
Simple CFL Driver Circuit
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 […]
Simple Two Transistors Amplifier Circuit using 1.5V Battery
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 […]
How to Find the Charging Current of a Battery
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: […]
Simplest Blown Fuse Indicator Circuit
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 […]
How to Generate a Safe 220V AC Supply
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 […]





