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If you have an hour of time, call me on Skype (dalle 09 all 19 anche festivi) e ti faccio vedere come fare.
Da li in poi potrai fare tutto da solo, ad esempio cambiare soni e video ma anche farlo parlare o emettere delle note musicali ecc….
In the QRdecoder App you have to set the “Slot for text out” con un valore tra 1 e 999 (eg 1)
Poi in Automation devi fare un Loop per ricevere i comandi di testo ed eseguirli
come spiegato nell’esempio di automation scaricabile da qui:
Nelle prossime versioni di automation ci sarà anche un evento per ricevere comandi dall’esterno
ma per ora devi usare il metodo “Polling” che vuol dire fare un Loop che continua a guardare se ci sono comandi.
Se non riesci chiamami su Skype come livio_enrico e ti aiuterò io a farlo
Power supplies are not needed, the 5 volts of the USB go on and on.
About the rest you are right, wanting to spend very little I would recommend an Arduino Nano (with CH340 they are better) and some libraries suitable for logging earthquakes. So you could get by with around twenty euros in total. But the performance will be low (also because you are thinking of using an accelerometer instead of a real geophone). And by low I mean that you will only be able to see strong and not too far earthquakes, let's say at the most 50 km.
To have good performance you need geophones, preferably 3 placed in the three directions, and then it takes a Theremino ADC24 module and a Theremino Master module and finally a MiniPC
Then 60 + 40 + 20 + 150 = 270 Euro (circa)
My previous accounts considered trying to get performance from Arduino comparable to our system. Which would have involved using a special and expensive Arduino and quite a lot’ of additional hardware to have decent ADCs, log on to the network etc.… But if you are talking about super savings and you are satisfied with very poor performance then there is no comparison, an Arduino Nano beats everyone. I also often use a Nano in some projects and find it fantastic, extremely easy to program, cheap and also fast enough to do a lot of good things!
A seismograph requires a special room, better if underground, and it should also be fixed to a concrete plinth that is insulated from the walls.
Adding a MiniPC is the least of the problems and the consumption of mini PCs with current CPUs with SSD memories is negligible.
We are talking about less than ten watts at 5 volt (even under the 3 watt when the CPU works little as it happens during the memorization of the seismic LOGs).
On the other hand, using a PC provides a convenience unattainable with stand-alone modules, a convenience that is the minimum wage when doing serious research.
Plus a MiniPC (o tablets) it already has everything you need, audio, power supply, batteries in case of power failure, network card etc.…
and it doesn't cost much more than an Arduino + power supply + box + vari shield necessary, etc…
With the theremino system to make variations of the kind (for example add a buzzer) it's easy and can be done without “get hold of the firmware or pcb”.
But first you have to use the system for simple things and understand it.
First of all you have to understand the SLOTs that are used to make the various applications communicate:
Then you have to know most of the applications on your system so you know which ones to use (for example to emit a buzzer sound)
And finally, using the Slots, applications are put in communication and made to do what you want.
And all this without writing a single line of code.
Later it is also possible to develop complex systems by writing very simple instructions with the Automation application
Good day everyone
GB002 and GA002 are two completely different micro.
– The GB002 has everything you need to connect to USB
– The GA002 is the version without USB
It is not about being “critics”, in electronics you have to use the right components.
If we wrote GB002 you must necessarily use GB002.
Or, if you really want to make variations, before buying the components you have to study the datasheet well to see if it can be done.
The current coming from the computer is always more than enough for programming, the problem is certainly another.
– Maybe there are errors in the PCB
– Maybe the pickit2 options are wrong
In the PicKit2 app there are power options, try them all.
And also try all the options in the Tools menu (Target VDD source, Use VPP, use LVP, etc..
Some options are grayed out and to enable them you would have to manually choose with “Programmer / Manual device select”
and then use the box to choose. And some options only work in HVP.
If you still can't check the PCB, measure if on the PIC there are the voltages on the right pins, if there is mass, etc..
And maybe even read the PicKit2 instructions in the Help menu
If you really can't, you will need to give us more information, maybe enlarged images of the PCB or send it to me for a check.