Stable 5V power needed for many electronics like sensors, microcontrollers and digital parts. The LM7805 voltage regulator IC forms a 12V to 5V converter, also this highly useful circuit converts 230V AC to 5V DC, ensuring reliable and stable device operation. Also, main parts of the circuit are transformer, bridge rectifier, filter capacitors, resistors and […]
Power Supply Circuits
Simple Transistor-Based Voltage Booster Circuit
In many electronics low voltage is not enough but need only higher voltage, so this voltage booster circuit helps, take low voltage and makes it higher. Also, this project for Simple Transistor-Based Voltage Booster Circuit show how to make voltage booster using simple parts like: PNP transistor 2N2907, NPN transistor 2N2222, resistors, capacitor, diode, inductor. […]
DIY Variable Power Supply Circuit using Arduino
To begin with, this DIY Variable Power Supply Circuit using Arduino makes changeable power, as it uses transistor and resistors to change 9V output from IC 7809 regulator. Also, one 100uF capacitor help clean the output voltage, then two pushbuttons can change the voltage by hand and after that LCD screen show real output voltage. […]
Simple Battery Eliminator Circuits using 3 Methods
To begin with, this article shows how to make Simple Battery Eliminator Circuits using 3 Methods with many useful features. When we need steady DC power for devices then battery eliminator is very useful, as there is no need of normal batteries. Furthermore, these circuits change AC from transformer to DC power for electronics; also […]
Battery Charger Circuit using SCR
Battery charger is important in electric system as it give back power to rechargeable battery; also circuit is good way in using SCR (Silicon Controlled Rectifier). SCR is strong, reliable and control well and it have four layers, three junctions and work like switch and rectifier. Furthermore, small current go to gate turns it ON […]
Simple Positive Voltage to Negative Voltage Converter Circuit
This article for Simple Positive Voltage to Negative Voltage Converter Circuits shows how to change positive DC voltage to negative DC voltage using special converter circuit; also this circuit is useful for many electronic things. One popular and easy way to generate a clock signal is to use the IC 555; also this reliable IC […]