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If we want to sense whether the grabber picked up a piece, there are two options. One involves adding a sensor to the arch to point below the grabber when the platform is centred, the other involves c…
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Look at the Freenove example code for a sonar unit, and move the function into a UltraSonic class so that it can be used. Refer to the wpilib UltraSonic interface so we can keep it compatible.
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- **ev3dev version:** PASTE THE OUTPUT OF `uname -r` HERE
- **ev3dev-lang-python version:** INSERT ALL VERSIONS GIVEN BY `dpkg-query -l {python3,micropython}-ev3dev*` HERE
My version: the one …
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I did a simple conversion to python3
1. I ran 2to3 on flash.py. (this changes mostly print statements, I think)
2. That left two remaining issues:
line 188. -- had to convert address into …
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**Describe the bug**
Code loads, Serial monitor prints line statements but measurement value is always 0
**Code to reproduce**
```c++
#include
Ultrasonic myUltrasonicSensor(5);
int distan…
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**Describe the bug**
This appears to be a hardware issue. After switching modes, the LEGO EV3 Color sensor will return a stale value on the first data message that is received after switching modes. …
dlech updated
3 years ago
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Hello,
I would like to test Grove - Ultrasonic Ranger using mraa on UP2 Grove Kit. As I see ISR is not yet mapped with mraa ( #888 ), could you let me know the way to test this sensor please?
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These should be elaborated possibly with additional images in the documentation section.
Some ideas for programming exercises:
- Make the robot stay in the sumo ring
- Make the robot push the opponen…
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When driving on a (even slightly) bumpy road both side ultrasonic sensors measure false-positives with a random distance even when no obstacles/cars are in sight - at least with our subset of two OBS …
gluap updated
2 years ago
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Hello people.
i've a number of sensors (like HC-SR04), i'm trying put them under a mcp23017 so i can use them in parallel.
The original code used pigpio
https://github.com/fivdi/pigpio/blob/master…