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			<div id="results_count">34 Threads found on edaboard.com: <strong>Connecting max232</strong></div>
		
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			<div class="content_header">
				<div class="content_title"><h2><a href="http://www.edaboard.com/thread363418.html" rel="nofollow">Using prolific usb to serial com port instead of usb serial port</a></h2></div>
			</div>
			<div class="content_text">I have build an c# application which connects to an embedded mcu based hardware via uart communication . I have used mcp2200 i am <strong>connecting</strong> the system as follows :

mcu tx-rx ---><strong>max232</strong>----->db9 female connector ---->    dm9 m connector on module pcb----><strong>max232</strong> on module pcb ---->mcp2200 on module pcb-----> usb connector on module pcb ----->ca</div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 01-19-2017 07:44 :: jit_singh_tara :: Replies: <strong>13</strong> :: Views: <strong>757</strong>
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		</div>
								<div class="result_box">
			<div class="content_header">
				<div class="content_title"><h2><a href="http://www.edaboard.com/thread310740.html" rel="nofollow">Bluetooth PIC18F MAX232</a></h2></div>
			</div>
			<div class="content_text">You implementation is correct. You need <strong>max232</strong> for <strong>connecting</strong> pic to pc.

Google is your best friend. Search this forum first. You can find lot of information here.</div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 02-28-2014 16:14 :: nandhu015 :: Replies: <strong>6</strong> :: Views: <strong>1247</strong>
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								<div class="result_box">
			<div class="content_header">
				<div class="content_title"><h2><a href="http://www.edaboard.com/thread310682.html" rel="nofollow">max232 heating problem</a></h2></div>
			</div>
			<div class="content_text">The most probable cause is that you are not cross <strong>connecting</strong> the Tx/Rx lines and you have two outputs connected together.

Is it connected</div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 02-27-2014 15:38 :: alexan_e :: Replies: <strong>4</strong> :: Views: <strong>1235</strong>
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								<div class="result_box">
			<div class="content_header">
				<div class="content_title"><h2><a href="http://www.edaboard.com/thread290931.html" rel="nofollow">pic18f2550 serial communication problem</a></h2></div>
			</div>
			<div class="content_text">Frstly - thank you for using the MPLAB template, it makes the program far more readable and logical than we often see.

No circuit will work without power so as suggested earlier, the PIC and <strong>max232</strong> are continuing to run on energy stored in the power supply capacitors. If it causes you a problem, try <strong>connecting</strong> the reset (MCLR) pin through suitable</div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 06-12-2013 12:29 :: betwixt :: Replies: <strong>5</strong> :: Views: <strong>619</strong>
			</div>
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								<div class="result_box">
			<div class="content_header">
				<div class="content_title"><h2><a href="http://www.edaboard.com/thread270850.html" rel="nofollow">UART Tx to Tx connecting issues</a></h2></div>
			</div>
			<div class="content_text">No they are not protocols, they are functional devices, available as integrated peripherals or discrete devices.

UART and USART are basiclly the same, they do the same job of converting serial data  but the 'S' (synchronous) means it can also package and extract bits at a speed decided by an external cloock as well as an internal one. It's a confu</div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 11-06-2012 09:11 :: betwixt :: Replies: <strong>6</strong> :: Views: <strong>1133</strong>
			</div>
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								<div class="result_box">
			<div class="content_header">
				<div class="content_title"><h2><a href="http://www.edaboard.com/thread247077.html" rel="nofollow">Help me select a GSM modem for my project</a></h2></div>
			</div>
			<div class="content_text">Which GSM modem i have to use here.. ??
as i making SMS based notice board 
and i m <strong>connecting</strong> the GSM modem wid AT89c52 ?c wid the help of <strong>max232</strong> IC n RS 232 cable..
so Please help me sir
which modem will i have to use here, which is reasonable also..
plz reply me</div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 04-02-2012 17:42 :: nirajjain.ec :: Replies: <strong>0</strong> :: Views: <strong>564</strong>
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								<div class="result_box">
			<div class="content_header">
				<div class="content_title"><h2><a href="http://www.edaboard.com/thread233601.html" rel="nofollow">Serial Communication Between Pic16F877a and PC(Hyperterminal)</a></h2></div>
			</div>
			<div class="content_text">i am <strong>connecting</strong> PIC16F877a to PC using <strong>max232</strong> and Rs232, and i wanna view the output in Hyperterminal.
My project is like this, when sensor is triggered, buzzer sounds and Hyperterminal will show help. 
Now i wanna figure out how to make my hyperterminal response and display the word. I researched online and found this code to be tested. But ther</div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 12-09-2011 12:26 :: E11022 :: Replies: <strong>13</strong> :: Views: <strong>4466</strong>
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								<div class="result_box">
			<div class="content_header">
				<div class="content_title"><h2><a href="http://www.edaboard.com/thread232766.html" rel="nofollow">Connecting RFID reader ID12 with PC</a></h2></div>
			</div>
			<div class="content_text">I want to connect the RFID reader ID12 that I have with PC using the serial Port (<strong>max232</strong> & DB9 connector).
The ID12 that I have with me is the simple one and not the "RW" reader.
Here's the pin diagram of 

I have tried to connect it with <strong>max232</strong> with following connections:-
   </div> 
			<div class="content_info">
				&nbsp;&nbsp; PC Programming and Interfacing :: 12-01-2011 16:32 :: errakeshpillai :: Replies: <strong>0</strong> :: Views: <strong>2055</strong>
			</div>
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								<div class="result_box">
			<div class="content_header">
				<div class="content_title"><h2><a href="http://www.edaboard.com/thread215545.html" rel="nofollow">Problem connecting pic18f452 with wavecome modem through max232</a></h2></div>
			</div>
			<div class="content_text">ok ill try this tomorrow....because i have to get a female socket.....i will connect the db9 to the pic via a <strong>max232</strong> ic and use hyperterminal to troubleshoot it am i right?

---------- Post added at 06:54 ---------- Previous post was at 06:06 ----------

i just would like to ask....i read in ur earlier post fo</div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 06-13-2011 22:54 :: lifiq :: Replies: <strong>29</strong> :: Views: <strong>3023</strong>
			</div>
		</div>
								<div class="result_box">
			<div class="content_header">
				<div class="content_title"><h2><a href="http://www.edaboard.com/thread209564.html" rel="nofollow">Connecting SIM300 with Hyper Terminal</a></h2></div>
			</div>
			<div class="content_text">Hi, I m <strong>connecting</strong> SIM300 Module with Hyper terminal using <strong>max232</strong> circuitry. But when i open the terminal, it shows random ASCII characters before pressing any key as well as after pressing any key. Can anyone please help me in this ?</div> 
			<div class="content_info">
				&nbsp;&nbsp; Hobby Circuits and Small Projects Problems :: 04-16-2011 17:48 :: arslanshahid :: Replies: <strong>6</strong> :: Views: <strong>2327</strong>
			</div>
		</div>
								<div class="result_box">
			<div class="content_header">
				<div class="content_title"><h2><a href="http://www.edaboard.com/thread200760.html" rel="nofollow">circuit connection to control DC motor direction from PIC 16F877A to motor drive L298</a></h2></div>
			</div>
			<div class="content_text">for <strong>connecting</strong> PIC to PC u need to use <strong>max232</strong> ic..
here is the </div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 01-31-2011 09:07 :: lockman_akim :: Replies: <strong>2</strong> :: Views: <strong>8780</strong>
			</div>
		</div>
								<div class="result_box">
			<div class="content_header">
				<div class="content_title"><h2><a href="http://www.edaboard.com/thread200397.html" rel="nofollow">Connecting MicroController to GSM modem via RS232</a></h2></div>
			</div>
			<div class="content_text">dear sir pls help me out in <strong>connecting</strong> my gsm module to the Arduino AT328.. 
this is my GSM modem and its details.. 
70858

This is a plug and play GSM Modem with a simple to implement RS232, TTL Serial and USB interface. Use it to send SMS, make and receive calls, and do other GSM operations by simple AT commands through a </div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 03-15-2012 05:56 :: ragav :: Replies: <strong>54</strong> :: Views: <strong>13720</strong>
			</div>
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			<div class="content_header">
				<div class="content_title"><h2><a href="http://www.edaboard.com/thread200204.html" rel="nofollow">connecting dtmf decoder to  mobile phone</a></h2></div>
			</div>
			<div class="content_text">hello sir,
       please help us... how to connect dtmf decoder and mobile phone & microcontroller</div> 
			<div class="content_info">
				&nbsp;&nbsp; Elementary Electronic Questions :: 01-25-2011 15:34 :: vanitapatil :: Replies: <strong>3</strong> :: Views: <strong>5304</strong>
			</div>
		</div>
								<div class="result_box">
			<div class="content_header">
				<div class="content_title"><h2><a href="http://www.edaboard.com/thread196945.html" rel="nofollow">how to connect gsm module to microcontroller</a></h2></div>
			</div>
			<div class="content_text">u must use a level converter like <strong>max232</strong> between ur module and microcontroller to make a communication.

<strong>connecting</strong> the GSM module to a microcontroller doesn't require <strong>max232</strong>. You need the <strong>max232</strong> to connect the GSM module (TTL) to the PC (+-10V). But when it comes to the microcontroller, you may need a "Level Translator" in (...)</div> 
			<div class="content_info">
				&nbsp;&nbsp; Elementary Electronic Questions :: 12-23-2010 10:01 :: seadolphine2000 :: Replies: <strong>13</strong> :: Views: <strong>3732</strong>
			</div>
		</div>
								<div class="result_box">
			<div class="content_header">
				<div class="content_title"><h2><a href="http://www.edaboard.com/thread196793.html" rel="nofollow">DETAILS OF INTERFACING  ZIGBEE WITH ATmega32</a></h2></div>
			</div>
			<div class="content_text">its just <strong>connecting</strong> to serial port and configuring the bauud rate properly. You dont need any interfacing  as the module and your 8051 board  will have MAX 232 in it. The zigbee module should have a <strong>max232</strong>. check if it is there or not. If it is there then directly you can connect.</div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 12-21-2010 09:58 :: ckshivaram :: Replies: <strong>4</strong> :: Views: <strong>3354</strong>
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				<div class="content_title"><h2><a href="http://www.edaboard.com/thread192494.html" rel="nofollow">Why MCU(pic16f877A) don't recieve data from SIM300CZ</a></h2></div>
			</div>
			<div class="content_text">Both are fine. Check tx and rx while <strong>connecting</strong> gsm and microcontroller. You have to swap tx and rx.(Null modem connection)</div> 
			<div class="content_info">
				&nbsp;&nbsp; Digital communication :: 11-05-2010 01:52 :: nandhu015 :: Replies: <strong>2</strong> :: Views: <strong>1224</strong>
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								<div class="result_box">
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				<div class="content_title"><h2><a href="http://www.edaboard.com/thread186267.html" rel="nofollow">How to modify a RS232 sniffer so that it does not load the communication link?</a></h2></div>
			</div>
			<div class="content_text">I had never problems operating RS232 with a fanout of two, <strong>connecting</strong> a second <strong>max232</strong> or similar 
receiver to an operating RS232 link to acquire the data through a simple Y-cable. I don't love to 
make a simple thing complicated by adding superfluous hardware.</div> 
			<div class="content_info">
				&nbsp;&nbsp; Professional Hardware and Electronics Design :: 08-25-2010 12:43 :: FvM :: Replies: <strong>1</strong> :: Views: <strong>2401</strong>
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								<div class="result_box">
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				<div class="content_title"><h2><a href="http://www.edaboard.com/thread176932.html" rel="nofollow">Sim300 &amp; PIC interface 16F877A</a></h2></div>
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			<div class="content_text">Flip tx and rx lines while <strong>connecting</strong> PIC to modem

Nandhu</div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 04-30-2010 04:47 :: nandhu015 :: Replies: <strong>3</strong> :: Views: <strong>3041</strong>
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				<div class="content_title"><h2><a href="http://www.edaboard.com/thread167016.html" rel="nofollow">connecting a usb to uart converter to microcontroller board</a></h2></div>
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			<div class="content_text">Hi friends,

I have a microcontroller evaluation board (STmicroelectronics). 
This board is connected to the PC through the USB. 
But I want to connect this board to PC through UART (serial communication RS232). 
I found a USB to UART converter (FT232RL made by FTD Inc.) . 
Can I connect this converter to the microcontroller evaluation board </div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 01-12-2010 10:01 :: pavankumarssv :: Replies: <strong>1</strong> :: Views: <strong>1798</strong>
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								<div class="result_box">
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				<div class="content_title"><h2><a href="http://www.edaboard.com/thread165907.html" rel="nofollow">Acoustic Modem for underwater communications</a></h2></div>
			</div>
			<div class="content_text">Hi

I am currently doing a school project involving underwater communications. We are assigned to 1 'DSPCOMM' acoustic modem but we have problem communicating between the 2 modem.

I have tried <strong>connecting</strong> PC to acoustic modem via RS232 but it does not work.

I have tried sending signals through <strong>max232</strong> to acoustic modem it does not work.

Do</div> 
			<div class="content_info">
				&nbsp;&nbsp; Digital communication :: 12-28-2009 03:50 :: shaun.lee56 :: Replies: <strong>0</strong> :: Views: <strong>985</strong>
			</div>
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								<div class="result_box">
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				<div class="content_title"><h2><a href="http://www.edaboard.com/thread157745.html" rel="nofollow">Interfacing pic16f877A to Max 485</a></h2></div>
			</div>
			<div class="content_text">Hello everybody,

To connect the PC to PIC we use the <strong>max232</strong> to convert RS232 signal to TTL.  
MAX485,however, makes TTL-level signals RS-485 compatible. So, logicaly, to connect a PIC to a 485 Network we use the MAX 485 and then the <strong>max232</strong> as interface (see figure).

I saw in internet some guys <strong>connecting</strong> PIC directly to the Max485 (...)</div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 09-03-2009 09:50 :: mouzid :: Replies: <strong>1</strong> :: Views: <strong>3331</strong>
			</div>
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								<div class="result_box">
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				<div class="content_title"><h2><a href="http://www.edaboard.com/thread146530.html" rel="nofollow">interfacing gsm modem and microcontroller AT89C51</a></h2></div>
			</div>
			<div class="content_text">maybe it's a hardware issue, have you connected the microcontroller with the same cable you used to connecto to the PC? the PC COM port have a RS232 bit levels (0 +12v ; 1 -12v) but the microcontroller have TTL/cmos Levels (0 0v, 1 5v)... if you are <strong>connecting</strong> directtly, it will not work never! if you are using an extra <strong>max232</strong>, or conecting a diffe</div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 04-16-2009 21:50 :: Kurenai_ryu :: Replies: <strong>20</strong> :: Views: <strong>6118</strong>
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				<div class="content_title"><h2><a href="http://www.edaboard.com/thread146403.html" rel="nofollow">Problem with sending data using max232 circuit</a></h2></div>
			</div>
			<div class="content_text">Are you removing a wire while data is flowing and <strong>connecting</strong> it again? You can´t do that because you´ll loose sinchronism (loose the start bit at the beginning of each byte).</div> 
			<div class="content_info">
				&nbsp;&nbsp; Professional Hardware and Electronics Design :: 04-14-2009 08:01 :: pauloynski :: Replies: <strong>10</strong> :: Views: <strong>3666</strong>
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			<div class="content_header">
				<div class="content_title"><h2><a href="http://www.edaboard.com/thread139284.html" rel="nofollow">PIC to PIC serial communication</a></h2></div>
			</div>
			<div class="content_text">You can try <strong>connecting</strong> both the transmitter and receiver circuits to a PC via a <strong>max232</strong> or similar IC. After that you can easily find out whether they work or not using hyperterminal.  
If you have an oscilloscope, it would be better to debug the rx/tx signals at signal level.


Regards.</div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 12-06-2008 12:15 :: s_cihan_tek :: Replies: <strong>5</strong> :: Views: <strong>2758</strong>
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				<div class="content_title"><h2><a href="http://www.edaboard.com/thread136821.html" rel="nofollow">pic16f877a rs232 connection</a></h2></div>
			</div>
			<div class="content_text">hi
iam using <strong>max232</strong> to connect a pic16f877a to a nokia 6610 dku5 serial cablecable ,to send and recieve sms using at+commands.

i have connected the <strong>max232</strong> rx,tx correctly since i have tested the pic by <strong>connecting</strong> it with the pc ,using hyper terminal and send, receive work fine.

and i have tested the cell too with the hyperterminal and (...)</div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 10-24-2008 13:01 :: xsa :: Replies: <strong>0</strong> :: Views: <strong>2969</strong>
			</div>
		</div>
								<div class="result_box">
			<div class="content_header">
				<div class="content_title"><h2><a href="http://www.edaboard.com/thread125268.html" rel="nofollow">Problem with connecting HID device to vinculum VNC1L</a></h2></div>
			</div>
			<div class="content_text">Hi all,

I have a problem. I need to accept USB input from a HID device like a USB keyboard into the VNC1L device and output the exact data that was sent by the HID device. 

I am using a VDIP1 module and VDAP firmware 3.64. The connection is like this:

HID device -> VNC1L -> <strong>max232</strong> -> USB-serial converter

I have no problem comunicating w</div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 05-08-2008 03:28 :: mousefish :: Replies: <strong>0</strong> :: Views: <strong>2111</strong>
			</div>
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								<div class="result_box">
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				<div class="content_title"><h2><a href="http://www.edaboard.com/thread104714.html" rel="nofollow">RS-232 serial communication</a></h2></div>
			</div>
			<div class="content_text">In the down load software section there is an RS232 communication software use <strong>max232</strong> as an interface with the 8051 core.For <strong>connecting</strong> the H/W u can refer the data sheet or u can go through mazid and mazid book or ayala book pls let me know if u have any problem</div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 08-27-2007 11:45 :: vijaya_narayana :: Replies: <strong>3</strong> :: Views: <strong>1543</strong>
			</div>
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								<div class="result_box">
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				<div class="content_title"><h2><a href="http://www.edaboard.com/thread97723.html" rel="nofollow">Need ISP Programmer Circuit Diagram For P89V51RD2</a></h2></div>
			</div>
			<div class="content_text">Just grab any circuit with <strong>max232</strong>-alike <strong>connecting</strong> the '51 to PC via UART (this is the nicest thing on th 'RD2s!)

There is a deluxe version which would reset automagically from PC via some of the handshake signals, but you don't really need that unless you need it for mass production or you are too lazy to press a reset button.

JW</div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 06-01-2007 07:42 :: wek :: Replies: <strong>4</strong> :: Views: <strong>7285</strong>
			</div>
		</div>
								<div class="result_box">
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				<div class="content_title"><h2><a href="http://www.edaboard.com/thread89065.html" rel="nofollow">Need help in connecting 8051 with sony ericsson T630</a></h2></div>
			</div>
			<div class="content_text">hi 
i m doing my final year project that includes autoically sending sms from mobile phone. i m <strong>connecting</strong> 8051 with T630 using Tx, Rx and Gnd of 8051. i m using <strong>max232</strong> IC in between microcontroller and mobile phone. i made assembly code to send the AT commands. but i havent got any response from the mobile. i want to know that whats wrong with th</div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 02-24-2007 11:56 :: sagi4u84 :: Replies: <strong>2</strong> :: Views: <strong>1316</strong>
			</div>
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								<div class="result_box">
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				<div class="content_title"><h2><a href="http://www.edaboard.com/thread81238.html" rel="nofollow">Can I use parallel port DB25F for connecting MX232?</a></h2></div>
			</div>
			<div class="content_text">Can i know whether parallel port DB25F is suitable for connect with mx232 and receiver a signal bits?
i wan to transmit hex number from pic to pc, how to do it?

regard
Beng</div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 11-24-2006 07:17 :: Beng123 :: Replies: <strong>4</strong> :: Views: <strong>2087</strong>
			</div>
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								<div class="result_box">
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				<div class="content_title"><h2><a href="http://www.edaboard.com/thread79954.html" rel="nofollow">Connecting a max232 and PL2302 together</a></h2></div>
			</div>
			<div class="content_text">Has anyone tried <strong>connecting</strong> a <strong>max232</strong> and PL2302 together ?
If yes, could you provide schematics.</div> 
			<div class="content_info">
				&nbsp;&nbsp; PC Programming and Interfacing :: 11-10-2006 23:10 :: circuitmod :: Replies: <strong>0</strong> :: Views: <strong>927</strong>
			</div>
		</div>
								<div class="result_box">
			<div class="content_header">
				<div class="content_title"><h2><a href="http://www.edaboard.com/thread71637.html" rel="nofollow">Is it possible to convert a pc serial port(rs232)to a 0-10v</a></h2></div>
			</div>
			<div class="content_text">I used 89C51 send mesage to pc serial port with <strong>max232</strong> but pc not recive char. why?

first of all, maybe you need to check if the COM port is correct one, and also check if the RX and TX of COM port <strong>connecting</strong> to your <strong>max232</strong> is correct.

good luck!</div> 
			<div class="content_info">
				&nbsp;&nbsp; Professional Hardware and Electronics Design :: 09-09-2006 05:01 :: cdcll :: Replies: <strong>7</strong> :: Views: <strong>4593</strong>
			</div>
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				<div class="content_title"><h2><a href="http://www.edaboard.com/thread47298.html" rel="nofollow">schematics for PIC16F877A serial connection?</a></h2></div>
			</div>
			<div class="content_text">hi...

can any1 show me a sample circuit for <strong>connecting</strong> pic16f877a with <strong>max232</strong> chip. The hardware i'm doing is only going to receive and transmit data between the PIC based hardware n PC.

thanks...</div> 
			<div class="content_info">
				&nbsp;&nbsp; Hobby Circuits and Small Projects Problems :: 10-04-2005 17:27 :: ganavel9783 :: Replies: <strong>3</strong> :: Views: <strong>2459</strong>
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			<div class="content_header">
				<div class="content_title"><h2><a href="http://www.edaboard.com/thread35563.html" rel="nofollow">Connecting JDM to UART</a></h2></div>
			</div>
			<div class="content_text">i have prolem <strong>connecting</strong> PIC JDM to a UART ( USB to UART ) i used cp2101 chip for the usb to uart conversion. Hav any one done it ? plz let me kno ....

regards</div> 
			<div class="content_info">
				&nbsp;&nbsp; Microcontrollers :: 04-02-2005 07:12 :: ful babu :: Replies: <strong>2</strong> :: Views: <strong>917</strong>
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