More about circuit (744)

1-07-2010 | Anyone who's spent much time searching the web for interesting circuits is likely to have found at least one TL431 based audio amplifier, th...

1-07-2010 | In some circumstances it may be necessary to select LEDs with closely matched characteristics. This design makes the job a whole lot easier....

1-07-2010 | This circuit was designed for monitoring the charge- and discharge process of a 6-V lead-acid battery. This process takes place between 6.2 ...

1-07-2010 | Crystal filters are often used for IF filters in receivers, where the bandwidth of this filter largely determines the selectivity of the rec...

1-07-2010 | This is a design for a rear bicycle light that automatically switches on and off according to ambient lighting conditions. The red LEDs flas...

1-07-2010 | The LM3410 IC is a constant current LED driver useful in either boost converter or SEPIC design applications. A SEPIC (Single Ended Primary...

1-07-2010 | On a sailboat, the condition of the battery is a major concern for obvious reasons. On the author’s boat, a 120 Ah lead-acid battery is char...

1-07-2010 | Most hobbyists will have some tools that are battery-powered, such as a drill, screwdriver or power scissors. Unfortunately (and especially...

1-07-2010 | Many enthusiasts will be using their PCs as data loggers, controllers or as web servers. In these cases it is important that the machine is...

1-07-2010 | One solution for increasing the power of an amplifier running on a low-voltage supply, like a car radio powered from at best 14 V, is to use...