Neuros Technology Forums

I have been playing around with the recorder and have been working on designing a security video recorder with it.  Should work great for the application.  However, to save battery power, I completely power off the entire recorder between recordings.  When motion is detected, I turn on the recorder and wait for the splash screen to go away, then send the record signals.  The start up, "splash" screen adds about 3-4 seconds to the start up record time.  For a security recorder, this is a lot.  Is there anyway in future firmware revisions to increase this turn on to record time?  I understand you have a lot of initializing to do, but just thought that if the startup time can be improved, it would really be a hit with the security market!

hehe ex-navy, sounds like we both took the same paths in trying to eliminate the remote.  After our last series of discussions on the remote protocol, I was able to take the ATMEGA8535 Avr micro, and emulate the IR protocol using  the Holtek encoder datasheet as a guide.  I have not finished the entire system yet, but I just used the STK500 development board to test out the different remote signals.  Next is to do include my PIR circuit and battery control to do a standalone video recorder similar to what you mentioned.  My only complaint is that I wish the recorder would power up and start recording a bit faster. Right now, it takes about 4 seconds from power up to recording.  Sure would be nice if Neuros had a way to speed this up.  This is especially important when using it as a surveillance recorder as I plan on doing.  Anyway, nice work you have done, a lot of people will be interested in that easy setup you have!

Ah, so it is the NEC protocol?  Great!  I found the Holtek HT6221 datasheet which shows the timing, but it did not mention it was nec protocol.  I was planning on taking the most simple route and using the IR chip used in the remote (or a cross) on my controller baord, which would definatley make it easy as far as writing code.  However, I cannot seem to be able to purchase any of these IR encoders anywhere.  Sooooo, it looks like I am back at having to emulate the IR protocol within my AVR controller board.  Boy, sure was hoping I could just take the simple route, but it does not appear that way now.  Thanks Ex-Navy for the info on the protocol.  []

Ahhh, found it.. well, I found a datasheet for a cross reference for the JA6221, the Holtek HT6221.  Seems to be the exact same chip.  So now I can either use the HT6221 in my design, or try to figure out the protocol and replicate it with my AVR micro board.  Once I get it going, I will give yall some more information on how to create your own custom controller protocol to control the recorder.

OK, seems that the IR encoder/tranmitter chip used is the JA6221.  Cant seem to find a datasheet on it.  Anyone know where one can be found?

Please please please help me Neuros.  Anyway you can tell me exactly what IR protocol is used?  Sony RC5, NEC, Sony RC7, etc....??  This would greatly help me in developing my remote controller board which will turn on and off the record, etc.....   I have tried to look at the IR transmitter chip used in the remote, but cannot find any information on it anywhere.  I got the remote codes, but they are pretty much useless without knowing the protocol format.     Once I get the coder written for my AVR controller board which will remote control the recorder 2, I would be more than happy to share it with everyone. This would allow people to build their own remote control for the neuros with a micro without having to hack into the internal wiring of the remote. Thanks. !!!

Yep, found this last night when trying to get the recorder to detect the video signal after turned off.  Does not work.  It would be nice that if the recorder is powered on, it detects if a video signal is present and starts to auto record.  This way, I can use one switch, to turn on/off the recorder,  and have it record automatically  Thanks for looking into this!  Would really simplify remotely controlling the recorder.

AWESOME!

I am just curious if the Recorder 2 will still be available after the recorder 3 is later released? I really like the recorder 2 and I am developing my own surveillance system around it.  I really like the fact that I can remove the CF card and pop in a new one.  Will the recorder 3 also have the option of removeable cards or will it only support the internal hard drive?

I noticed a while back Joe posted the command code for the remote.  I have a project I am working on where I use and embedded controller board to act as the remote.  However, there are numerous IR protocols out there for sending remote signals.  Which protocol does the Recorder use?  Is there a datasheet on the IR transmitter chip available where I can look up this protocol?  Thanks.

SOrry, I posted a new topic before I saw this sticky, so I figured I would post it in here as well.  

Ok, I bought the Recorder 1 last year. Liked it except it was hard to start a recording unless hooked to a TV to scroll through the menus. I just bought the Recorder 2 and it definately is a vast improvement. Now, to start it up and record, it only requires two button presses on the remote, the power and record.

However, there is one thing I do not like. It is difficult to tell that you have powerd on the recorder. When power is supplied to the recorder the green led is on. That is fine, but, when you hit the power on button on the remote to turn the recorder on, there is nothing telling you that you have powered up the recorder. I plan on using this recorder remotely without any type of video display connected to it, so it makes it tough knowing when the recorder is actually ready to start recording. The only way to tell is to hit the record button and hope the red led comes on. If it does not, you have to hit the power button again, and then hit the record button. The actual startup to record time is critical to my application, so any lost seconds having to repeat the process to get it to record is undesireable. It sure would be nice if there way a way you could tell the unit is powered on. Why not have the red led turn on when the unit is powered up and then start blinking when it is recording. This would be a fool proof way to know you actually have powered the recorder on and its ready to start recording. The only thing that would be better would to allot the record button to power up the unit and start it recording automatially if it is pressed and held, and pressing and holding it again would stop recording and turn it off. I see a bunch of applications where an easy powerup and record cycle would benifit greatly. Anyway, you are definately on the right track now guys!