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. It takes strong signal from amplifier and changes it to fit the speaker so music […]
Simple Transistor Tester Circuit
Transistors are small switches. But how to check if they work or what type they are? This Simple Transistor Tester Circuit is like a transistor checker. It is an easy DIY project which uses few parts. It tells us if transistor is good or bad and also shows if its NPN or PNP like two […]
Simple DC High Low Voltage Cut Off Circuit
If our device need right DC power to work safe then this Simple DC High Low Voltage Cut Off Circuit work like a guard. If battery is too low then circuit stop power to save our device. If battery is too high then also circuit stops power to protect. This circuit keep device safe from […]
How to Make a Simple Op-Amp Circuit
Imagine two whispers one with little louder. Op-amp is smart listener. It hears only the difference and ignores background noise. It makes small difference bigger using voltage gain. This Simple Op-Amp Circuit helps boost weak signals in electronics. Circuit Working: Parts List: Category Item Quantity Resistors (All resistors are 1/4 watt unless specified) 6.8k 1 […]
Simple CFL Driver Circuit
CFL bulb need special helper circuit to turn ON and glow bright. This Simple CFL Driver Circuit change home electricity into power CFL can use. CFL bulb uses little mercury vapor to make invisible light. Then it hits special powder to make light we see. Circuit Working: Parts List: Category Item Quantity Resistors (All resistors […]
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. It uses 2 small parts called transistors and 1.5V battery to make weak sound strong. It is simple mini amplifier which are good for small projects for making music sound better. Circuit Working: Parts List: Category Item Quantity Resistors (All […]