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 > Your search for posts made by 'LScamper' found 27 matches.

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RE: Problems setting up Nanostation Loco M2

Don't know if this will help. On the WIRELESS tab click select. A list of sites will come up. From the list click on the circle to the left of the MAC address you want to select. Scroll to the bottom of the list and click Lock to AP (not Select). Back to the WIRELESS tab. The MAC address that you selected should be in the Lock to AP box just under the SSID box. On the bottom of the WIRELESS tab page click Change button. Now at the top of the WIRELESS tab page there will be an Apply button, click it. Wait about 30 seconds for the Nanostation to re-boot. Now go to the MAIN tab page to the right the AP MAC should be the one you locked to along with the signal strength. Hope this helps.
LScamper 12/26/15 09:07am Technology Corner
RE: The Big and Small Inverter Scam UPDATE-Tested.

Let us look at inverter efficiency. An inverter at full load may have an efficiency of 85% and at 1/3 load 90%. This is just from memory, don't have exact specs. So: Eff = Pout/Pin Eff at 1/3 load about 90% Eff at full load about 85% This is about a 5% difference in efficiency Say Vdc = 12.5V, Load = 300W Pin=Vdc*Idc Idc = Pin/Vdc Use 300W inverter: Eff = 85% at 300W load Pin = Pout/Eff Pin = 300W / 85% Pin = 353W Idc = Pin/Vdc Idc = 353W/12.5V Idc = 28.24A Use 1000W inverter Eff = 90% at 300W load Pin = Pout/Eff Pin = 300/90% Pin = 333W Idc = Pin/Vdc Idc = 333W/12.5V Idc = 26.64A Pdif = 353W - 333W Pdif = 20W, 20W more from battery with the 300W inverter that the 1000W inverter. Idif = 28.2A - 26.6A Idif = 1.6A more with small inverter. P = 12.5V * 1.6A P = 20W more with small inverter! Will be a little worse because of voltage drop as said in above post.
LScamper 12/08/15 11:47am Tech Issues
RE: What's your favorite app?

Multicon
LScamper 11/22/15 04:47pm Technology Corner
RE: Circuit simulation software

"pspice is another good alternative. interfaces nicely to orcad and cadence design layout tools." The free version has limitations but I don't know what they are. Do you? LTspice is the full unlimited version.
LScamper 11/20/15 05:34pm Tech Issues
Circuit simulation software

Spice circuit simulation software has been mentioned here several times. When I was in the business I used a circuit simulation program to test designs before they were prototyped. The versions of Spice that I used cost $5,000.00 > $10,000.00 plus about $1000.00 per year maintenance. Today you can download a free version that does the same thing and is free. It is called LTspice. The main difference is that the expensive ones come with more components in the package but you can add them to the free one with a little work. The video in the link below is a little old but should show you how to get the program and start using it. LTspice download
LScamper 11/20/15 03:31pm Tech Issues
Heatsink design 101

Some of you are designing LED lighting and need to use heatsinks. These videos may help in doing the job correctly. Thermal Design 101 Thermal design sucks
LScamper 11/20/15 11:42am Tech Issues
Kirchhoff's circuit analysis for the curious

Kirchhoff is often mentioned on this forum. These two videos explain Kirchhoff. This may be interesting to some that want to understand more about their 12V DC circuits. It is very advanced for the beginner and uses some math. Kirchhoff's law 1st video Kirchhoff's law 2nd video
LScamper 11/20/15 09:05am Tech Issues
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