| With the term endoscope, what you probably think of first, is an instrument for medical applications, but in this case it is a handy device...
All items tagged with LED and monitor (9)
| Almost every PC case is fitted with an LED on the front panel which flickers whenever the hard disk(s) is accessed. A single flickering ligh...
| Measuring the AC powerline frequency is a proxy for determining the match between the supply of and demand for power in the national grid an...
| The circuit in the diagram was originally designed to monitor an oscillator, but can also be used as a general-purpose level indicator f...
| In most of the United Kingdom, we are assured of a stable 240 V mains supply voltage. In many other regions, including some parts of E...
| The charge-discharge-idle (C-D-D monitor described here is suitable for all vehicles with a 12-V or 24-V battery of which the negative t...
| audio-controlled loudspeaker monitor What started out simply as a universal audio-controlled switch for an active loudspeaker has grown into...
| with LED indication One of the largest annual expenses for most home owners is the fuel for the central heating. Apart from keep- ing the ho...
| ED voltage monitor A stable power supply is absolutely essential for the correct operation of computers and TTL circuits. A voltage fluctuat...