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Re: The internet of things, or the internet that sings?

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Jan Panteltje <pNa0nStpealmtje@yahoo.com> wrote:
> Whatever, been playing with those POE powered sensors,
> small box, yesterday and 2day was the turn for a CO sensor.
>
> Using a MQ-7 sensor, small boxes arrived, could finally put something together:
> http://www.panteltje.com/pub/CO_sensor_POE_UDP_PCB_IMG_6203.JPG
> The upside-down sub-board is an ebay ethernet module, but it only has a
> ENC28J60 chip on it and I already replaced the ethernet  connetor,
> so next time I will just use the chip.. simpler,
> domne that in my LED controller.
>
> Anyways, this is NOT for 48 V POE but for <= 24 V, mainly because of the LM2296
> Use an other sjip for higher voltage,
>
> This is what the ciruit looks like in pencil:
> http://panteltje.com/pub/CO_sensor_UDP_POE_circuit_diagram_IMG_6204.JPG
>
> And the test code (do not use, I have changed the 60 / 90 second delays to just 4 seconds...
> else testing takes so long..
> http://panteltje.com/pub/co_sensor_udp_MQ-7_first_test_do_not_use_.asm
>  anyways that is clearly marked in the code as ; WAS TEST
>  other things need checking too)
>
> So, it sends UDP to some IP address and you probably noted the 2 x 4 holes on the board,
> well the firts 4 are for the PIC programmer, and the other 4 for logic level RS232 for config,
> if you type 'h' it shows this menu:
>
> Panteltje (c) co_sensor_udp_MQ-7-0.1
>
>
>      Commands
> AnnnENTER       set source IP address A.xxx.xxx.xxx  saved in EEPROM
> BnnnENTER       set source IP address xxx.B.xxx.xxx  saved in EEPROM
> CnnnENTER       set source IP address xxx.xxx.C.xxx  saved in EEPROM
> DnnnENTER       set source IP address xxx.xxx.xxx.D  saved in EEPROM
> EnnnENTER       set destination IP address E.xxx.xxx.xxx  saved in EEPROM
> FnnnENTER       set destination IP address xxx.F.xxx.xxx  saved in EEPROM
> GnnnENTER       set destination IP address xxx.xxx.G.xxx  saved in EEPROM
> HnnnENTER       set destination IP address xxx.xxx.xxx.H  saved in EEPROM
> LnnnnnENTER     set source port, saved in EEPROM
> PnnnnnENTER     set destination port, saved in EEPROM
> S               show data on serial out
> s               do not show data on serial out, default.
> v               print status, IP address, ports, and MACs
> WnnnnnENTER     CO alarm beeper level, default 17, to disable local alarm beeper use 65535
> XnnnENTER       PWM 1.5V level, default 29
> h               help (this)
>
> On the receiving side you could do
> # netcat -u -l -p 1082
> and then it looks like this:
> 392
> 394
> 392
> 394
> 398
> 396
> 395
> 394
> 394
>
> Thse are for now actually ADC steps (x/1024 at 4.096 V PIC internal
> reference output from sensor into resistor),
> so you need to calibrate and do that log thing,
> have not decided yet if I wil do that on board or at the RX end (an
> UDOP server is running for all the sensors)
>
> The missing thing here (see circuit diagram) is the alarm beeper /
> driver transistor,
> as my alarm beeper did not fit in the box,
> maybe I will find a smaller one.
>
> So, that was / is the weekend tronix.
>
> Linux snort:
> 05/21-17:43:23.853504 01:02:03:04:05:0B -> B8:27:EB:0A:2C:43 type:0x800 len:0x40
> 192.168.178.82:1082 -> 192.168.178.73:1082 UDP TTL:128 TOS:0x0 ID:46078 IpLen:20 DgmLen:33
> Len: 5
> 33 39 30 0D 0A                                   390..
>
> Food pizza!
> The smell of molten lead...
> I am still alive...
>
>
> PS you have to think of a MAC addres for this thing, it is a #define in the code.
> I keep making my own MACs.

Very impressive! That's one well earned pizza.

In order to better follow along, my next parts order probably ought to
include a PIC16F690 and a PIC18F14K22. You seem fond of both, judging by
your PIC page.

Thank you,

--
Don Kuenz KB7RPU

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Thread

The internet of things, or the internet that sings? Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-05-21 15:46 +0000
  Re: The internet of things, or the internet that sings? Don Kuenz <g@crcomp.net> - 2017-05-21 23:07 +0000
    Re: The internet of things, or the internet that sings? Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-05-22 08:02 +0000
    Re: The internet of things, or the internet that sings? co_pic website now up Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-05-25 10:02 +0000
    Re: The internet of things, or the internet that sings? co_pic website now up Jan Panteltje <pNa0nStpealmtje@yahoo.com> - 2017-05-25 17:25 +0000

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