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Meaning of TOF distance

nnguyen

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Joined
Nov 9, 2018
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#1
I'm new to Tello and I'm trying to write a simple program where the Tello flies toward a wall and stops (or turns) before hitting it.
Using the official SDK (https://dl-cdn.ryzerobotics.com/downloads/tello/20180910/Tello SDK Documentation EN_1.3.pdf), I send a "tof?" message.
The return values seems unpredictable. I thought it meant the distance between the Tello and an object in front of it, but I get numbers that do not make sense..

Am I misunderstanding the meaning of "TOF distance"? or is there some problem with my drone's sensors?

thank you.
 
Joined
Oct 25, 2018
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#2
Hi there,

I'm pretty sure the TOF sensor you're talking about is the one located underneath the Tello, so it probably measures the distance to the floor, NOT the distance to a nearby wall :(

Hopes it helps
 

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