Search found 439 matches

by SemiconductorCat
Thu Oct 09, 2014 4:46 am
Forum: General Discussions
Topic: Copying files over Wi-Fi
Replies: 2
Views: 3699

Copying files over Wi-Fi

according to the wifi specification it's said that 802.11/g could go up to 134Mbits/s. And yes I have configured it to 802.11n standard and 40Mhz band. But when I copying files to a wifi cloud it tooks too much time and lacks the performance that I expected. https://lh5.googleusercontent.com/E7Tydpe...
by SemiconductorCat
Mon Sep 22, 2014 8:38 am
Forum: Embedded Systems
Topic: kicad routing tip
Replies: 1
Views: 6096

kicad routing tip

Hi all, I need a routing tip on reducing vias and font side jumpers. https://lh6.googleusercontent.com/-tCfBpfbC1fw/VB-SD6RfzFI/AAAAAAAAAw8/S09iiTTG0MA/w615-h461-no/via_suggestion.png I know this is a art, but I would like to listen from you what would you do and what points you would select to jump...
by SemiconductorCat
Sun Sep 21, 2014 1:33 pm
Forum: Arduino
Topic: Update Online Database using GSM/GPRS Shield
Replies: 27
Views: 130323

Re: Update Online Database using GSM/GPRS Shield

You need port forwarding when you need to use your home router. For dynamic IPS. Even the IP address is dynamic you could assign a static domain name over [ CNAME record ]. refer: http://en.wikipedia.org/wiki/CNAME_record so then you could refer to ddns.org free dns name from your cname record. But ...
by SemiconductorCat
Sun Sep 21, 2014 7:03 am
Forum: Embedded Systems
Topic: What is the better way to synthesize a PROM
Replies: 1
Views: 5929

What is the better way to synthesize a PROM

Hi all, I just reviewed this method on PROM synthesizing, but this seems little bit odd. src : http://www.cs.ucr.edu/~dalton/i8051/i8051syn/source/i8051_rom.vhd library IEEE; use IEEE.STD_LOGIC_1164.all; use IEEE.STD_LOGIC_ARITH.all; use WORK.I8051_LIB.all; entity I8051_ROM is port(rst : in STD_LOGI...
by SemiconductorCat
Fri Sep 19, 2014 8:14 pm
Forum: Embedded Systems
Topic: Check for ground bounce Issues
Replies: 1
Views: 6539

Re: Check for ground bounce Issues

Oh my early post last year I think. Now I got handy answer for this.I'll write a detailed answer for somebody who dig this thread in future. The answer is IBIS (http://en.wikipedia.org/wiki/Input/output_Buffer_Information_Specification). Where you could have handy computer aided tools before you go ...
by SemiconductorCat
Wed Sep 17, 2014 11:12 pm
Forum: Arduino
Topic: Update Online Database using GSM/GPRS Shield
Replies: 27
Views: 130323

Re: Update Online Database using GSM/GPRS Shield

?? PC ???? ????? host ???? ????? mysql database server (local database ????), EFcom GPRS/GSM shield ?? ???????? ???? access ????? ??????? ?? ??????? ??? ?????? ?????? ???? idea ???? ????????... Directly. First you need to shift your database server into your DMZ zone and then enable it for the worl...
by SemiconductorCat
Wed Sep 17, 2014 4:51 am
Forum: Embedded Systems
Topic: What is that HP symbol ?
Replies: 1
Views: 5960

What is that HP symbol ?

Hi all, what is that HP symbol which is highlighted in yellow ? http://i60.tinypic.com/6roy78.png And the second question is about middle highlighted area. Is that configuration is for noise and echo cancellation ? So you could program that using AC97 interface right ? And there are no connection to...
by SemiconductorCat
Fri Sep 12, 2014 4:57 am
Forum: Electronics & Electrical Engineering
Topic: Issue with hot air gun soldering iron's thermistor
Replies: 2
Views: 8378

Re: Issue with hot air gun soldering iron's thermistor

Hi all, I think my soldering iron thermistor is gone. I need a way to verify it. I have quickly reviewed this reference design here. http://sc0ty.pl/wp-content/uploads/2012/10/soldering1.png And the pinouts here. http://elco.crsndoo.com/wordpress/wp-content/uploads/2011/09/solomon.jpg When I put th...
by SemiconductorCat
Fri Sep 12, 2014 4:48 am
Forum: Electronics & Electrical Engineering
Topic: Issue with hot air gun soldering iron's thermistor
Replies: 2
Views: 8378

Issue with hot air gun soldering iron's thermistor

Hi all, I think my soldering iron thermistor is gone. I need a way to verify it. I have quickly reviewed this reference design here. http://sc0ty.pl/wp-content/uploads/2012/10/soldering1.png And the pinouts here. http://elco.crsndoo.com/wordpress/wp-content/uploads/2011/09/solomon.jpg When I put the...
by SemiconductorCat
Sun Sep 07, 2014 12:03 am
Forum: ??????? ???? ??????? (Where to buy)
Topic: Wifi OBD II connector to monotor car CAN messages
Replies: 0
Views: 9044

Wifi OBD II connector to monotor car CAN messages

Anywhere on SL ?
[media]https://www.youtube.com/watch?v=MMK7HTrWvdQ[/media]

http://ikman.lk/en/car-scanners-wiredbl ... le-colombo
Have the wired and bluetooth ones but the problem is my friend don't have bluetooth in his tab.

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