I saw on the Linus page that he stopped selling the BBBmini kit, so I ordered a shenzhen2u, it arrived in 30 to 40 days.
In the kit, it features a mounting bracket for the HC-SR04, my question is: should it be mounted in front of the drone, to avoid obstacles / collisions? Or should it be mounted below the drone for the altitude hold function? Or can I put 2 sensors: one to avoid frontal collision and another to hold altitude?
I found in Banggood a breakout board with the I2C and UART outputs:
https://www.banggood.com/en/Flight-Controller-Obstacle-Avoidance-Se... CN
Could it be used?

I also read about the US-100, which seems to me to be more accurate. Can you tell me if I can like it?

Well, there are still many doubts ...

Thank you for your attention.

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Replies to This Discussion

Hi Fabio,

The hc is used for atitude controls - the hc is a vey limited sonar component, 2 meters at maximum.
I’m using a sf11 with more than 100 meters of precision.
The link you send appear to be an hc with an arduino on the back

Hello 

please note that this sensor Hc-SR04, is no longer supported on the actual release. You can use I2C or serial based rangefinder for altitude and  avoidance.

enjoy building your BBMini

@Vinicius Juvinski, the sf11 is very high cost (for me for now), is there any lower cost option?

@Patrick Poirier, then the P19 pins (GND / ECHO / TRIG / 5V) become unusable? Could you indicate an I2C or low-cost rangefinder for altitude and avoidance? the idea is to use 2, one for altitude and one for front avoidance. Taking advantage, how was the Pocketpilot? Thanks for listening.

Hello

TFMINI LIDAR is the best rangefinder for low cost small distance 6 M.
Sonar is really not recommended for drones but it works ok for rovers
Hello

TFMINI LIDAR is the best rangefinder for low cost small distance 6 M.
Sonar is really not recommended for drones but it works ok for rovers
VL53L0X / VL53L1X? What do you think? Can I connect 2 in parallel?
No range and don't work in direct sunlight
I suggest you look at ArduPilot forum as these things have been discussed extensively

Regards

I am doing this...

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