The circuit has been designed for telephone apparatus to indicate an incoming call as it rings using an LED for visual indication. BC550 – an NPN general purpose transistor with low current and low ...

This i-TRIXX circuit can prevent a whole lot of trouble for those of you who go on holiday in a caravan. It would be a significant damper on your holiday spirit when you are ready to leave the camping ...

December 16, 2012 -- Cooper Power Systems' programmable delayed reset faulted circuit indicators offer enhanced visibility with high intensity LEDs, programmable delayed reset functionality, adaptable ...

The following circuit uses a low-power CMOS comparator and an LED to indicate low-battery voltage without causing excessive current drain. To view the application note, click on the URL below.

Troubleshooting electrical systems often begins with a simple question: Which fuse has failed? This compact seven-channel ...

The new Fisher Pierce® TPM Series Test Point Mounted Fault Indicator from Thomas & Betts helps workers locate faulted circuits in underground distribution systems quickly. Its design incorporates ...

If you’ve ever used an old tube radio, you might be familiar with that mysterious little green display that helps you to tune exactly to a station. That display is called a tuning indicator, or magic ...