BilaSens: from river to the cloud

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A multisensor that send data via GSM to thingspeak and show them on a small screen

marcoA152

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Drastic PCB improvements
10/04/2022 at 08:15 • 0 comments

After (some) efforts trying to etch a custom PCB (see results), I've done a big step forward with custom PCB supplier PCBWay

Let some pictures talk for me...

:-/ OK... My PCB it's like a MadMax DieselPunk nightmare... but anyway... it works!

$the packaging arrived\$
really a nice piece

with also a super interesting tracking production progress (with videos)

that's all! now i have only to find a bit of time to link everything and start testing!
see you soon!
working on a PCB
08/31/2022 at 12:59 • 0 comments

NOW, next step is to produce a PCB, and I can show the work in progress: bottom side here, I will use presensitized board and... a lot of crossed fingers!

bottom layer, mirrored

After etching shot (another mask) with some issues due to a washing process a bit too aggressive

swimming time!
battery draining? no problem!
08/31/2022 at 12:49 • 0 comments

with the described setup the project runs smoothly with the shiny summer sun, but with some cloudy days it starts do dry out the two 18650 batteries...

So I've decided to remove the UNO board leaving only the ATMEGA328p controller, in a standalone setup.

As a pseudo-test I've used a stripboard as soldering support

So I can say it works! with a greatly reduced power consumption!