Hi, everyone, in fact I am quite new in drone area, so I wanna ask if I need to equip a drone with a LiDAR for altitude holding and even auto-guide. What do you think of this LiDAR. Does it count? I need some advice. Here is the link in Robotshop.

https://www.robotshop.com/en/solid-state-tof-infrared-lidar-ce30-a....
&
http://www.benewake.com/en/ce30.html

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no the compatible  lidar is found https://www.sparkfun.com/products/14032

Depending on what you mean by drone, and what type of work you're doing, no you don't need a lidar or any other rangefinder.  Rangefinders are useful but not mandatory.  Altitude hold is done primarily by barometric pressure converted to altitude.

http://ardupilot.org/copter/docs/common-rangefinder-landingpage.html

Hello

This is for avoidance systems because it does solid state (non motor rotating)  scan on a field of view of 130 degs. I don't know your budget but this baby is 1000$

I see that your are posting stuff about Benewake all over the place here without any direction..... What is your goal ?

Kevin are you working for Benewake ?!?!

Hello, Patrick Poirier. Thank you for your attention. I am here to learn more about drones and its equipment. And as you found out, I am here to help make the LiDAR of Benewake well known to anyone who need it. However, I am quite new and interested in drones. I am very glad to chat with you and we hope we can have a further contact.

Patrick Poirier said:

Hello

This is for avoidance systems because it does solid state (non motor rotating)  scan on a field of view of 130 degs. I don't know your budget but this baby is 1000$

I see that your are posting stuff about Benewake all over the place here without any direction..... What is your goal ?

Kevin are you working for Benewake ?!?!

Hi, what do you mean by compatible? Does it mean the LiDAR does not suit the drone?

OG said:

no the compatible  lidar is found https://www.sparkfun.com/products/14032

Yes, thank you. But if a drone need auto-guide, I think a LiDAR may help to avoid the obstacle, is it right? 

Fnoop said:

Depending on what you mean by drone, and what type of work you're doing, no you don't need a lidar or any other rangefinder.  Rangefinders are useful but not mandatory.  Altitude hold is done primarily by barometric pressure converted to altitude.

http://ardupilot.org/copter/docs/common-rangefinder-landingpage.html

I recently bought three Lidars.
Lightware LW20/I2C , LeddarOne and Benewake TFmini, the last two with serial connection .

The Lw20 has an interesting feature to drive directly a servo to scan and could be use for obstacle avoidance but beware , do not buy the I2C version because the config sotware with GUI will not work  !

Lightware promise to find a solution  but I'm still waiting....

Hi, Luc Maximilien. As far as I know the GUI does work. What is your problem actually, if you can send me, maybe I and my friend research in LiDAR of Benewake may help you a lot.

Luc Maximilien said:

I recently bought three Lidars.
Lightware LW20/I2C , LeddarOne and Benewake TFmini, the last two with serial connection .

The Lw20 has an interesting feature to drive directly a servo to scan and could be use for obstacle avoidance but beware , do not buy the I2C version because the config sotware with GUI will not work  !

Lightware promise to find a solution  but I'm still waiting....

By the way if you guys are interested on I2C, I just wrote this blog on how to make a TFMINI talk I2c:

https://discuss.ardupilot.org/t/how-to-make-the-tfmini-rangefinder-...

Thanks a lot. Some friends have the same promblem, I will make them read your blog, it may work.

Patrick Poirier said:

By the way if you guys are interested on I2C, I just wrote this blog on how to make a TFMINI talk I2c:

https://discuss.ardupilot.org/t/how-to-make-the-tfmini-rangefinder-...

In fact, you donnot need I2C to connect TFseries, and you can weld the end of the wire of TF series to connect to any port as you like. 

And it may help, you can check the data of TFmini in http://www.benewake.com/en/down.html or contact the e-mail huaxiaocheng@benewake.com for further help.

Luc Maximilien said:

I recently bought three Lidars.
Lightware LW20/I2C , LeddarOne and Benewake TFmini, the last two with serial connection .

The Lw20 has an interesting feature to drive directly a servo to scan and could be use for obstacle avoidance but beware , do not buy the I2C version because the config sotware with GUI will not work  !

Lightware promise to find a solution  but I'm still waiting....

The  Lw20 has a waterproof enclosure so it is not possible to solder wires to serial output , you have to send back the unit to a lightware assistance center.

I  did just a short test  with the  TF-mini , I do not like the fact that under 30 cm , where the sensor is not supposed to work, the manufacturer call it "blind area" , the reading jump from 30 cm to 1,5 meters.
So do not forget to set the right parameter in range finder parameters.

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