Lowyat.NET: Latest topics by kengshen

Need help in my LCD project T.T

kengshen — Thu, 26 Aug 2010 21:44:23 +0800

Hey guys i doing some LCD project here regarding parking bay for 2 slot. The LCD should show tht available = 2 whn there is no car inside, whn there is 1 car park in any bay it will show available = 1, and if both of the parking bay has been park by a car it will show Available = 0. Now my proplem come !!! whn it show 0 at the lcd how can i make it change to Full ? example: LCD screen show Available = 0 <<< bt i dun 1 tht i wan it show FULL whn there is no more parking bay available. HOPE u guys can help me T.T. and my current code show below. and thx for reading !!!
1 more thing !!! i using PIC 16F84A to run this LCD !

int stat1 = 0; //indicated parking bay 1
int stat2 = 0; //indicated parking bay 2
int totalstat = 0; //indicated total parking bay available
char mytext[4];

void main()
{
TRISA.F0 = 1; // Configure PORTA [ra0] as input (1st set)
TRISA.F1 = 1; // Configure PORTA [ra1] as input (2nd set)
TRISB = 0;

Lcd_Init(&PORTB);
Lcd_Cmd(LCD_CLEAR);
Lcd_Cmd(LCD_CURSOR_OFF);

Lcd_Out(1,1,"Welcome");

while(1)
{ //1ST parking bay

if(PORTA.F0 == 1)
{

stat1 = 1; //indicates status of p.bay 1

}

}

else
{

stat1 = 0; //indicates status of p.bay 1

}

{ //2ND Parking bay

if(PORTA.F1 == 1)

{

stat2 = 1; //indicates status of p.bay 2

}

}

else
{

stat2 = 0; //indicates status of p.bay 2

}

totalstat = 2-(stat1 + stat2);

Lcd_Out(2,1,"Available");
IntToStr(totalstat,mytext);
Lcd_Out(2,7,mytext);

}//end of main while
}//end of main void

Need help in pic 16F84A coding in C language

kengshen — Wed, 11 Aug 2010 18:42:34 +0800

Hey guys need some help here how can i generated 38khz frequency using PIC 16F84A ? cause my infrared receiver only able to receive a 38khz frequency. i have try google it bt most of thm using other type pic with pwm config !!! bt mine pic 16F84A dun have that. Hope u guys can help me with it using C language. THX

My caseing support ATX mobo ?

kengshen — Sat, 24 Apr 2010 11:58:17 +0800

HI guy !! i wonder tht my case can support ATX mobo since i curenly use UATX mobo. ANy clue ? PIC provided also XD

DX 11

kengshen — Wed, 21 Apr 2010 14:14:54 +0800

hi guys !!! just wana noe will DX11 over take DX10 & 9 ?

Intel® Core™2 Duo Desktop Processor E8400

kengshen — Tue, 06 Apr 2010 15:55:54 +0800

Hi all ^^ just wana noe tht can a Intel® Core™2 Duo Desktop Processor E8400 can support my motherboard Asus P5KPL-CM ?

Help >> Infrared Circuit

kengshen — Thu, 01 Apr 2010 21:53:28 +0800

Hi every1 ^^ i wana to noe tht how to build a infrared transmitter circuit tht only send a high pulse only. I doing a project which related to infrared where the infrared will only send a high signal to a receiver whn i block the infrared path the receiver will show low signal. Any idea how i should build the circuit ? Make it as simple as possible thx guys !! urgent !!!

[WTA] External Hdd become Raw file

kengshen — Sun, 28 Mar 2010 21:23:14 +0800

Guys i have a external Hdd sudenlly ch to Raw file how can i ch it back to NTFS or FAt system back ? i cant format it ...

[WTA] how to check a sapphire HD5770 is fake ?

kengshen — Fri, 26 Mar 2010 21:04:52 +0800

Hey guys i just wanna noe that how we can determine a graphic card is fake and spoil. Cause i going to trade a GC with ppl i scared tht the GC is fake not frm sapphire company and duno whether is spoil anot. cause he claim tht his GC is few week old and wana trade it + topup cause urgent need money. i Trade with my GT220 + rm365 with his HD5770 vapor X. Any one can share his experience ?

[WTA] which processor is faster

kengshen — Thu, 25 Mar 2010 18:38:10 +0800

i just wanna to Noe which processor is faster between CORE 2 QUAD Q8300 VS CORE I3 540 32NM

[WTA] opinion

kengshen — Thu, 25 Mar 2010 13:47:15 +0800

Hey guys just wana ask some opinion i have a com with intel Pentium E2220 with small type mother board with 2g ddr2 ram and a gt220 GC. i thinking to upgrade the GC to HD5770, Bt i think the performcae will still be the same should i upgrade the processor or the GC ? If i upgrade the processor to I3 i have to spend more thn the GC money T.T cause have to buy a new motherboard and ddr3 ram tht support 13 and is not worthy to upgrade to quad core since i3 i faster and cheaper i think ? any comment ?

[WTA] Asus P5KPL-CM motherboard support HD5770 GC?

kengshen — Tue, 23 Mar 2010 16:56:58 +0800

Hey guys just wana noe tht whether my motherboard can support a HD5770 graphic card. Cause whn i look in my motherboard spec it only have a PCI Express while the Graphic card support PCI-E 2.1

Motherboard ------> Asus P5KPL-CM
Graphic card ------> ATI HD5770