This easy 4 LED car voltmeter is made to enable us to observe the voltage level of the battery of our car at any moment, always. To obtain the above […]
How to Make a Parallel Battery Charger/Changeover Circuit Using SPDT Switches
Within this article we discover ways to charge multiple batteries separately or together which can be associated in parallel making use of a single battery charger and by means of […]
How To Make Battery Charging Fault Indicator Circuit
The blog post clearly shows a battery status indicator circuit which is competent at suggesting no matter whether the battery condition is good, bad or damaged. The thought listed here […]
Battery Current Sensor with Indicator Circuit
In this particular post we be familiar with an easy battery current sensor with indicator circuit which identifies the amount of current utilized by the battery while charging or by […]
100 LED Lamp with a 3.7 Volt Battery
An inventive method of powering over a hundred white LEDs using a 3.7 volt battery is described in the article. The step-up transformer is driven by the IC 555 in […]