Simple Solar Garden Light Circuit using One Transistor, uses one special switch and a sun power to turn on LED at night. Also, when sun goes down the light turns ON by itself and when sun come back the light turns OFF, like a magic! Circuit Working: Parts List: Components Values Quantity Resistors 1k, 47Ω, […]
Battery Charger Circuits
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. 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 […]
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 […]
Simple Automatic Battery Charger Circuit using One Transistor
This post shows very easy way to make Simple Automatic Battery Charger Circuit using One Transistor and with few parts. Also, this circuit charges battery by itself like small machine, as it uses only one transistor, one resistor and one LED. Furthermore the circuit is good for charging 9V battery where LED shows when charging; […]