If our device need right DC power to work safe then this Simple DC High Low Voltage Cut Off Circuit work like a guard. Also, if battery is too low then circuit stop power to save our device and if battery is too high then also circuit stops power to protect. Hence, this circuit keep […]
Power Supply Circuits
Gel Cell Battery Charger Circuit
Normal car battery has liquid inside and Gel Cell Battery Charger Circuit uses jelly but not liquid. Jelly make battery strong and work in any position and to charge gel battery we need special charger, as this charger gives right power but not too much. Too much power can hurt battery and special charger keep […]
Simple Circuit to keep a Battery Topped Up
Think of a battery like water tank for our device. This Simple Circuit to keep a Battery Topped Up is like a helper, which checks battery level and gives charge when battery gets low. Also, battery stays full and is ready always which is good for backup power, solar lights and for wireless toys. Circuit […]
Automatic Battery Charger with Trickle Charger Circuit
What if charger is smart? and if it fills battery by itself and keeps it full, but not too much. That is what Automatic Battery Charger with Trickle Charger Circuit does; it has part that checks battery power and if battery is low it sends power to fill. When it is full it gives little […]
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 […]
How to Interface Microcontroller and Arduino with Relay
In this article How to Interface Microcontroller and Arduino with Relay first we need to think about small computer like Arduino which cannot control big current. Relay is like one switch and it can handle big current for motor, light and heater and to connect safe we have used one transistor like translator and one […]