T&L Publications

Simulated Lighthouse Lamp Q I am trying to build a circuit for a small lighthouse lawn ornament. The "lighthouse" has an existing fixture for a 60 watt light bulb. I would like to vary the bulb brightness to simulate the rotating light of a real light-house. The light should start at full ...

Simulated Lighthouse Lamp Q I am trying to build a circuit for a small lighthouse lawn ornament. The "lighthouse" has an existing fixture for a 60 watt light bulb. I would like to vary the bulb brightness to simulate the rotating light of a real light-house. The light should start at full ...

Thanks
Ray

Does any one know the real difference between VSS VCC and VDD????
I have circuits that use both VSS and VCC and
VDD in the same circuit Im wondering what is the
real meaning of VSS VCC etc.
Ray

Does any one have a schematic for an Icom
HM56 microphone.??????? If you do could email me.<p>Thanks
Ray

<blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr>Originally posted by L. Daniel Rosa: I would guess the last digit to be the multiplier. So 1913 would be 191k. If the fourth digit means something else then the resistonce would read as 190 ohms, no...

does any one know what the last digit is on a smd resistor is? This is the layout 1913 I know that the 191 is 190k but what is the 3 on the end . does it mean the wattage, or tolerance or other
Thanks Ray