This High Current 5V 3A Voltage Regulator Circuit gives regulated 5V output with high current capacity. Normal 7805 IC gives around 1A current, but in many projects, this current is not enough, so we add a power transistor to increase current up to around 3A. This circuit also uses bridge rectifier and filter capacitors to […]
How to Increase 7805 Output Voltage using Diodes
In this post we will understand How to Increase 7805 Output Voltage using Diodes. Normally, L7805 gives fixed 5V output, but by adding diode in ground line, we can increase output voltage little bit. This method is simple and is with low cost, as it is useful when we need slightly higher voltage like 5.7V […]
Simple Backup Power Supply Circuit using JFET Transistor
In this article, the circuit gives temporary backup power to low current electronic systems as it uses JFET transistor like 2N3819. This Simple Backup Power Supply Circuit using JFET Transistor which charges a capacitor at 15V input and gives approximate 4V-6V output during power failure, because it depends on transistor characteristics, resistor tolerance and load […]
6V Battery Backup Power Supply Circuit using 7805
This circuit is for 6V Battery Backup Power Supply Circuit using 7805 which gives stable output and also charges a 6V battery. When main power is ON, then circuit gives regulated supply and charges the battery, when power goes OFF then battery gives backup automatically. This circuit is useful for small electronics, emergency lights and […]
7806 Based 6V 1A Regulated Power Supply Circuit
This circuit is about a simple 7806 Based 6V 1A Regulated Power Supply Circuit which converts AC mains voltage into stable 6V DC output. Many small electronics projects need fixed 6V supply and this circuit gives clean and reliable output. Main part of this circuit is IC 7806, a simple linear DC voltage regulator IC […]
Automatic 12V Battery Charger Circuit with SCR Cutoff
This circuit is for Automatic 12V Battery Charger Circuit with SCR Cutoff, first it charges the battery and then it stops charging when the battery becomes full. Also, the circuit uses simple parts like transformer, diodes, SCR, resistor and capacitor and we can easily find these parts in market or online. So, this circuit protects […]