This is the follow-up video to my recent post on fitting led indicators to my Honda crf as part of a tail tidy. Many of you ...

Commuters have been complaining about the front and back display of LED indicators being defective. After we achieve success at these two depots, we will begin the repairs of all the other defective ...

This LED DC voltage indicator circuit is a voltmeter, rather than simply a battery tester. As such it may measure voltages as low as 3V. It utilizes venerable LM741 operational amplifiers applied as ...