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by zoomx
Fri May 26, 2017 1:45 pm
Forum: Postbag
Topic: Andy's Postbag and random ebay links
Replies: 81
Views: 1601

Re: Andy's Postbag and random ebay links

ag123 wrote:^^ perhaps you could even 'see through walls' with those :lol:

Holography of Wi-fi Radiation
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.118.183901
by zoomx
Fri May 26, 2017 1:39 pm
Forum: General discussion
Topic: Minimum ADC reference voltage?
Replies: 4
Views: 35

Re: Minimum ADC reference voltage?

How much is the internal reference voltage?
I searched for all RM0008, found 14 occurences of vrefint but didn't find the value.

Edit: forgot to add the word "internal"
by zoomx
Mon May 22, 2017 7:45 am
Forum: General discussion
Topic: blue pill prototyping board with tft adapter
Replies: 11
Views: 223

Re: blue pill prototyping board with tft adapter

A power connector is useful if one use a power adapter (like me :D ), instead using batteries it's better the connector that is already on the board, the little one with pins. But it is my little experience. Edit: you can also leave the traces and holes for the connector and leave the possibility to...
by zoomx
Sat May 20, 2017 5:02 pm
Forum: General discussion
Topic: blue pill prototyping board with tft adapter
Replies: 11
Views: 223

Re: blue pill prototyping board with tft adapter

Maybe a power connector like the one in Arduino UNO.
by zoomx
Wed May 17, 2017 11:00 am
Forum: Hardware
Topic: 2.4 inch 4 wire touch panel
Replies: 5
Views: 157

Re: 2.4 inch 4 wire touch panel

There is also the touch screen for the Nintendo DS family, it has an horrible connector but you can find it too because it breaks easily, that's why is horrible. You can find Arduino implementation http://tronixstuff.com/2010/12/29/tutorial-arduino-and-the-ds-touch-screen/ As you can see there is a ...
by zoomx
Mon May 15, 2017 1:26 pm
Forum: Off topic
Topic: github clone/zip button doing nothing?
Replies: 4
Views: 80

Re: github clone/zip button doing nothing?

Maybe this can be useful
https://minhaskamal.github.io/DownGit/#/home
I use it when I want to download only a folder and not all repository.
You put in the link at the github page showing the folder you want to download, push download, wait and voilà, you download a zip with all files.
by zoomx
Mon May 15, 2017 6:32 am
Forum: Postbag
Topic: Andy's Postbag and random ebay links
Replies: 81
Views: 1601

Re: Andy's Postbag and random ebay links

I found this old post about it Making the electronics for a $7 USD doppler motion sensor http://www.limpkin.fr/index.php?post/2013/08/09/Making-the-electronics-for-a-%247-USD-doppler-motion-sensor It seems that this sensor needs some electronics. Edit: this one has code and a schematic for the pream...
by zoomx
Fri May 12, 2017 1:26 pm
Forum: Postbag
Topic: Andy's Postbag and random ebay links
Replies: 81
Views: 1601

Re: Andy's Postbag and random ebay links

Maybe it's better a spectrogram app that can do this
Image
by zoomx
Fri May 12, 2017 1:20 pm
Forum: Libraries & Hardware
Topic: Too much power consumption in STOP mode using STM32sleep library
Replies: 18
Views: 356

Re: Too much power consumption in STOP mode using STM32sleep library

He measured the same power consumption using a custom board without any regulator.
This is strange since I expect some consumption on bluepill due to the regulator like in the Arduino Pro Mini where I have to cut the regulator trace to obtain a real low power.
by zoomx
Mon May 08, 2017 12:47 pm
Forum: Off topic
Topic: Long term project.
Replies: 5
Views: 140

Re: Long term project.

:lol:

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