Learn how to create a reliable 12V battery backup circuit for routers, LED lights, or small electronics. This step-by-step tutorial is perfect for DIY electronics enthusiasts and beginners alike ...

The next step was to build a simple battery box to house the battery along with a 12-volt cigarette lighter outlet we could use for a portable electric tire pump or perhaps a 12-volt light source.

This application note discusses how to create a circuit with a battery backup and battery charge feature. To view the application note, click on the URL below. Circuit selected ...

This automatic battery-charger, built around a single transistor, starts charging when the battery voltage drops beyond a preset value and stops when once an upper preset voltage is reached.

Figure 1 Simple circuit to indicate a low battery. For this application, the LED proved to be a decent reference diode. It has a temperature coefficient that tracks fairly well with that of Q1, and ...

In this DIY project, learn how to build a simple 1.5V battery welding machine at home. This easy-to-make tool is perfect for basic soldering and welding tasks. Using just a few materials, create a ...

Alternators are capable of very high outputs and a 10-15 minute drive will provide a useful charge. A simple test is to drive the car until the start-stop system is enabled. The vehicle electronics ...

Do you want to build an electric motor? You could probably find just about everything you need for a simple one around your house. Let me show you how to build it and why it works.

Find out how you can change a circuit by adding items like switches with this Bitesize 2nd level science animation and a fun activity.

The answer is simple – make your own. Inexpensive flexible PCB prototypes are one of the key elements in this process and a perfect complement to 3D designs. CIT Technology have worked with designers, ...