EL wire need special power. Normal battery DC cannot power it. EL wire is thin, bright and flexible and it is used in art, clothes, signs and lights. It needs high voltage AC from 100 to 200V with 1 to 5 kHz. So, need EL wire inverter circuit where it changes low voltage DC to […]
Power Supply Circuits
Designing a High Current, Low Voltage Regulator Circuit with the MIC29302WT
Modern electronics need good power control especially for high current and low voltage use. MIC29302WT is strong LDO regulator and it gives high current with small voltage drop. It is good for battery devices, car electronics and microcontroller power. It gives up to 3A current, so it can handle heavy circuits. Output voltage is from […]
3 Ways to Build a12V to 5V Converter Circuit using IC LM7805
Stable 5V power needed for many electronics like sensors, microcontrollers and digital parts. LM7805 voltage regulator IC is used in 12V to 5V converter which is very useful. This circuit takes 230V AC and gives 5V DC and keeps device working good and stable. Main parts of the circuit are transformer, bridge rectifier, filter capacitors, […]
Simple Transistor-Based Voltage Booster Circuit
In many electronics low voltage is not enough but need only higher voltage. Voltage booster circuit helps, take low voltage and makes it higher. 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. It takes 3V […]
DIY Variable Power Supply Circuit using Arduino
This DIY Variable Power Supply Circuit using Arduino makes changeable power. It uses transistor and resistors to change 9V output from IC 7809 regulator. One 100uF capacitor help clean the output voltage. Two pushbuttons can change the voltage by hand. LCD screen show real output voltage. Coding: Code Explanation: Circuit Working: Parts List: Component Quantity […]
Simple Battery Eliminator Circuits using 3 Methods
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. There is no need of normal batteries. These circuits change AC from transformer to DC power for electronics. It is very helpful for testing, […]