LDmicro Forum - infrared receiver

infrared receiver (by Magno Medeiros (Brasil))

Hello everybody,

someone could help me with a diagram of a transmitter and an infrared receiver (remote) so I can program in ladder. I appreciate any help

Thu Nov 8 2012, 19:24:31

(no subject) (by Jorge Jacome)

Hello Magno

Try the following link, it is very interesting and I am sure
will be very useful

Cheers Jorge

[PDF]
TX-IR - 8-Pin Programmable Infrared Transmitter IC
www.rentron.com/files/tx-ir.pdfFile Format: PDF/Adobe Acrobat - Quick View
The TX-IR is an 8-pin infrared transmitter IC designed for infrared serial data links , and remote control applications. Data present on the DIN pin is recreated on ...

Fri Nov 9 2012, 10:28:12

AVR_Atmega8 (by WLIL)

HI,I'm trying to write a simple programe useing ldmicro language,compile it and download it in the Avr_Atmega8.
.
The problem is the i/p pin has been assigned as normal_open(NO)contac(that means logic 0),when download a hex_file in the chip it appears High.
Secondly,the o/p pin must go logic_high when the i/p pin goes, but it does't , so what is the problem.
Notify me if i miss any steps to configure my test programe and also u can support me by sending any useful documents or vidoes.
I need to trust this ldmicro software because i am responsible in projects involved with embedded systems.

THANK YOU VERY MUCH

Fri Nov 9 2012, 10:37:03

(no subject) (by Boris)

On every input You have to put pulldown (wired to minus)resistor 2k2 because AVR internaly are pulled high when no signal on them.
This way when no signal +5V on input input will be 0V same way as LD Micro (POSITIVE LOGIC).

Fri Nov 9 2012, 10:58:51

tx/rx (by Magno Medeiros (Brasil))

Thanks Jorge Jacome, looked at the link you sent me but I would use a pic as a transmitter and the other as a receiver. do you know if this is possible? I made a ladder program for a tx and rx using serial communication, and works perfectly since electrically connected, I would send it via infrared.

Fri Nov 9 2012, 14:16:42, download attachment TXremoto mg.ld

(no subject) (by simon)

I did a similar project some time ago ( ir remote ).
I'm looking for files and post them on the forum

Fri Nov 9 2012, 18:05:30

TX/RX (by Magno Medeiros (Brasil))

ok simom, awaiting help.

Fri Nov 9 2012, 19:26:52

TX/RX (by Magno Medeiros (Brasil))

Simom Hello, I just saw what you posted, would the wiring diagram of the RX?

Fri Nov 9 2012, 19:35:43

TX/RX (by Magno Medeiros (Brasil))

Simom you mounted this control? worked well? now thank you very much.

Fri Nov 9 2012, 19:41:07

(no subject) (by simon)

rx circuit

Sat Nov 10 2012, 07:55:02

tx/rx (by Magno Medeiros (Brasil))

Thanks Simon, I'll ride this circuit.

Sat Nov 10 2012, 08:48:35

tx/rx (by Magno Medeiros (Brasil))

Hello Simon, if possible would like to help me understand this program TX.
Simplified so that I can understand.
The PWM is 36kHz with because the receiver operates on this frequency?
What is the purpose of this duty? {Duty: =}
牋牋牋牋牋牋牋牋牋牋牋牋牋牋牋牋牋{50} MOV}
Is moving "50" to do what?
Please do not bother with my questions.
I appreciate any help.

Tue Nov 13 2012, 08:50:56

tx/rx (by Magno Medeiros (Brasil))

program "TX" Simplified

Tue Nov 13 2012, 08:56:32, download attachment TXIV 131112.ld

tx/rx (by Magno Medeiros (Brasil))

Thanks Simon, I understand now that this "50" it is the PWM period.

Wed Nov 14 2012, 06:01:11

tx/rx (by Magno Medeiros (Brasil))

Goodnight Simon,

I am very grateful for all the help you gave me. after some changes in the program and the hardware could do what I wanted. If possible and if you want to respond, I wonder where I got this help, which country are you from? A friendly hug.

Wed Nov 14 2012, 17:55:48

tx/rx (by Magno Medeiros (Brasil))

tx program. I do not know if there is anything unusual but it works ok!

Wed Nov 14 2012, 18:03:26, download attachment TXIV 141112.2.ld

(no subject) (by simon)

hi Magno
I'm glad I've been helpful.
I'm from Romania and i live in UK.
Have a good day

Thu Nov 15 2012, 14:57:06

tx/rx (by Magno Medeiros (Brasil))

OK Simon,
Thanks for responding.

Thu Nov 15 2012, 19:02:47

Help about Complete IR Receiver Project (by Faruk, Bangladesh)

Hellow every body, Goood morning (as Bangladeshi time).
Can you help me for complete IR Receiver control project ?
Please help me, I'am new here.

Fri May 15 2020, 00:00:10