[TriEmbed] New TOF distance sensor

Fri Feb 13 16:01:40 CST 2015

Could you describe what you are hoping to measure, or your intent?

Perhaps there are alternatives...
On Feb 13, 2015 3:30 PM, "Charles McClelland" <chip at mcclellands.org> wrote:

> Rodney,
>
> Glad you mentioned the short range, was about to buy one!  Looks like I
> will need to use the good old fashioned ultrasonic sensor unless someone
> knows of a version with a 3m range.
>
> I am interested in one that can be used outdoors and will be able to
> ignore noise.  I have used the cheap HC-105 but they are too unreliable.
> The Maxbotix sensors are much better but 5x the price.  The outdoor
> version
> <http://www.amazon.com/Maxbotix-MB7060-XL-MaxSonar-WR1/dp/B00A7YH6M4/ref=sr_1_1?s=industrial&ie=UTF8&qid=1423859198&sr=1-1&keywords=outdoor+ultrasonic> is
> more expensive sill at $100.
>
> Any other ideas for an outdoor distance sensor that would be reliable and
> resistant to noise?
>
>
> Charles McClelland
> chip at mcclellands.org
> 919-624-5562
>
>
>
>
>
> On Feb 13, 2015, at 1:36 PM, triembed-request at triembed.org wrote:
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> Today's Topics:
>
>   1. Re: [TAR] New TOF (time of flight) distance sensor from
>      Sparkfun (Randy Farmer)
>   2. Re: [TAR] New TOF (time of flight) distance sensor from
>      Sparkfun (Rodney Radford)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 13 Feb 2015 13:21:19 -0500
> From: Randy Farmer <randy.farmer at gmail.com>
> To: trianglerobotics at yahoogroups.com
> Cc: TriEmbed Discussion <triembed at triembed.org>
> Subject: Re: [TriEmbed] [TAR] New TOF (time of flight) distance sensor
> from Sparkfun
> Message-ID:
> <CAFKBHwNp240BVWLAbr1vArmSKeCa7T84gy=iUSYFjkAqN+dOCA at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Cheaper breakout with just the sensor:
>
> https://www.sparkfun.com/products/12784
>
>
> On Fri, Feb 13, 2015 at 1:14 PM, Rodney Radford ncgadgetry at gmail.com
> [trianglerobotics] <trianglerobotics at yahoogroups.com> wrote:
>
>
>
> If you are on the Sparkfun mail list, you probably already got this, but
> this guy is interesting enough to warrant an announcement just in case.
>
> https://www.sparkfun.com/products/12785
>
> It is a $24.95 TOF (time of flight) distance sensor - this means that it
> actually measures the amount of time to send light (IR) to and from the
> object, so it is immune from surface reflectivity issues, and also immune
> from many of the problems with ultrasonic sensors.
>
> The only drawback that I see is the relatively short range - 0.5 meters is
> listed in the spec sheet, but if you look at the app note they are
> measuring distance out to almost 2 meters.  The actual distance is
> dependent upon ambient light and surface reflection.  Note that while the
> maximum dept allowed is dependent upon surface reflection, the actual value
> of the measurement does not.
>
> I will be ordering one of these soon (too bad I did not know about it
> before placing two orders to them just last week).
>
> Take a look at both the datasheet and the appnote.
>
>
> __._,_.___
>  ------------------------------
> Posted by: Rodney Radford <ncgadgetry at gmail.com>
> ------------------------------
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> ------------------------------
>
> Message: 2
> Date: Fri, 13 Feb 2015 13:36:12 -0500
> From: Rodney Radford <ncgadgetry at gmail.com>
> To: trianglerobotics <trianglerobotics at yahoogroups.com>
> Cc: TriEmbed Discussion <triembed at triembed.org>
> Subject: Re: [TriEmbed] [TAR] New TOF (time of flight) distance sensor
> from Sparkfun
> Message-ID:
> <CA+kfaxGLmRAXTDRA200NyiuoV5hDLinY2J_Ng=M5N-q9TNZAew at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Yet an additional followup - while reading the comments on the bare sensor,
> someone mentioned the ST eval board and it is $19.95 and includes an
> arm-cortex-4 processor and USB interface:
>
>
> http://www.mouser.com/ProductDetail/STMicroelectronics/EVALKIT-VL6180X/?qs=sGAEpiMZZMvfpQN6QVmrfGjb%252b49cDybCa83Lgq8kEXU%3d
>
>
> On Fri, Feb 13, 2015 at 1:21 PM, Randy Farmer randy.farmer at gmail.com
> [trianglerobotics] <trianglerobotics at yahoogroups.com> wrote:
>
>
>
> Cheaper breakout with just the sensor:
>
> https://www.sparkfun.com/products/12784
>
>
> On Fri, Feb 13, 2015 at 1:14 PM, Rodney Radford ncgadgetry at gmail.com
> [trianglerobotics] <trianglerobotics at yahoogroups.com> wrote:
>
>
>
> If you are on the Sparkfun mail list, you probably already got this, but
> this guy is interesting enough to warrant an announcement just in case.
>
> https://www.sparkfun.com/products/12785
>
> It is a $24.95 TOF (time of flight) distance sensor - this means that it
> actually measures the amount of time to send light (IR) to and from the
> object, so it is immune from surface reflectivity issues, and also immune
> from many of the problems with ultrasonic sensors.
>
> The only drawback that I see is the relatively short range - 0.5 meters
> is listed in the spec sheet, but if you look at the app note they are
> measuring distance out to almost 2 meters.  The actual distance is
> dependent upon ambient light and surface reflection.  Note that while the
> maximum dept allowed is dependent upon surface reflection, the actual value
> of the measurement does not.
>
> I will be ordering one of these soon (too bad I did not know about it
> before placing two orders to them just last week).
>
> Take a look at both the datasheet and the appnote.
>
>
>
> __._,_.___
>  ------------------------------
> Posted by: Randy Farmer <randy.farmer at gmail.com>
> ------------------------------
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