It should Protect your AP and ensure as much Up Time as possible.
Post your Wish List in as much detail as you can, and i’ll see if i can include them.
The Best suggestions will win a Free AP Sentinel, provided that it ever gets built or produced at all.
I’ll be the Judge, Jury and Executioner, so no whining. I generally keep my word though, and runners-up can have a free R52, cos i got about 200 spare.
Features so far include :-
About 4x MT PoE ports with 12v, 24v or 48v PoE power options (each)
Programmable low-voltage shut off, with programmable re-tries in case the power comes back.
Scheduled rebooting.
Remote rebooting through a Web interface.
GSM option to remote reboot any of the power outputs
Multiple Power source options (e.g. solar, wind, normal PSU x2, nuclear
Big red button so Client can reboot without a brain
Automatically report stuff, like voltage/alarm
Relay outputs to control things like a Door Release mechanism
Camera option to see who’s there with automatic FTP of images to somewhere
Digital/Alarm-style Inputs to detect if somebody opened a door, broke a window, stole something etc.
Digital keypad (to open door, box etc) with remote Code Change option
RFID card/keyfob access option
MT RS232 option, so it can report things using the AP it is plugged into
(Battery backup/solar/wind power is included under #6)
I would suggest to make it Modular…
One core with the basic stuff (PoE, power control, power cycle, web page)
And multiple pluggable modules to attach when needed.
It will make the product simple, cheaper for people that don’t need some stuff (like door controls)
and you can invent new stuff if you have market.
Otherwise you will keep spending time in something that wont fly..
the thing is, it is already has a lot of very-very cool features, i just wish, the product will be cheap as possible(less than $100) and PoE passthrough feature.
A Voltage / Current monitor would be nice, like a table/report for past 12 hours for each connected device and power source’s at a 5 minute resolution?
If you release only the schematic, very few of us will be able to use it.
At minimum, you should sell the PCB. If you sell a kit, that will be even better.
However, ideally, you should sell the finished product.
I suggest you start with a device capable of only the most requested features and then add additional functionality in the future in more advanced models or thru modules.
I understand what you mean, and how it could be done, but cannot see a really good use for it.
If a Mikrotik suddenly starts consuming lots of amps, it will fry.
After that it will probably stop consuming any amps (well, after the fire burns itself out)
All the bits in between are kind of measurable ranges you can get off a production AP.
At this moment in time, the Camera option is being dropped.
2 reasons :-
Price - it is gonna make it > $100, cos i’d have to use a Board with USB that runs Linux. (cheapest seems the UBNT RS board at 40 euros)
I bought a really good Pan/Tilt (no zoom) colour & night-vision IP Camera for 38 Euros off ebay.
The Pan/Tilt is great fun, and it does auto-ftp upload-on-change too.
This camera detected the best evidence for the existence of Fairies a few days ago.
It might have been a Moth, but might have been Oberon in person.
All it needs is a 5v 2A supply.
I got mine on a 12v car battery out in the Bush. (SolarTik controlled of course)
12v-5v Buck Circuit/code available for free if anyone wants it.
The stuff at top right is my house.
I dunno why it looks like a Skutter off Red Dwarf from that angle.
One thing that amazes me (apart from the Fairy) is the striking similarity of the spiky plant on the left to some of the Voynich Manuscript illustrations …
I have a few suggestions one being ditch the keypad and substitute wiegand its a simple protocol to implement and allows the use of just about any type of authentication device possible. Plus if you don’t need a keypad it didn’t cost you, and to keep it cheap for those who do make a cheap wiegand keypad or put a header for a matrix style keypad add on.
Unless I missed this in your features, I think the next most important thing to monitor next to voltage is temperature. I designed a temp. monitoring system over the weekend for my AP’s using an arduino and ethernet shield and to allow expansion for more sensors I used the Dallas/Maxim 1-wire sensors. It’s monitored through a web interface and every time I add a new 1-wire sensor it’s device id and temp. pops up on the web page.
Another suggestion which comes from living in the southeast of the US is a humidity sensor. A great indicator of a problem with a gasket is rising humidity in the box.
My last suggestion is a LCD or at least an LCD interface. If you wanted to keep it user optional maybe throw in an option for the LCD size so users can pick their own to use.
Hope some of these ideas help and I must also say keep it as cheap as possible but don’t cut it to low I’ve seen many other systems similar to what your designing go for a lot more than what you shooting for.
I think you could be rather successful with this and Good Luck.
… important thing to monitor … voltage … temperature … humidity sensor
… LCD [and buttons] interface.
Ditch the keypad ?
Wiegand is something i’ve never looked at despite hearing about it for years.
I will look at it now that you have suggested it.
Temperature & Humidity will add cost, but no reason not to include something like the SHT11 to give Temp/Humidity feedback/warnings, and the End User can choose to have it (at extra cost) or not. They could also add it later as cash allows.
[factoid for people in less warm climates: you can also calculate the ‘dew point’ from Temp/humidity, so you can tell when condensation will start to form]
Nice suggestions Lyle.
Your Dallas temperature monitor sounds cool. (no pun intended)
in a remote areea a solartik station will not need that stuff .. because eat amps … no solartik instalation want this nearby . i don’t like to replace an empty batery in the middle of the winter on the top of a hill far away from road access …