python (65.2k questions)

javascript (44.3k questions)

reactjs (22.7k questions)

java (20.8k questions)

c# (17.4k questions)

html (16.3k questions)

r (13.7k questions)

android (13k questions)

Questions - encoder

Incorrect distance travelled using optical wheel encoder

I started using a raspberry pi 3b+ about 2 months ago, so I'm fairly new. I'm working on a project, in which I have assembled a 4 wheeled small car, it has 4 DC motors, a 3b+, an L289D H bridge and an...
test-img

Rzer2000

python

raspberry-pi

raspbian

robotics

encoder

Votes: 0

Answers: 1

Latest Answer

# real-time processing requires fast non blocking code. Try the following # and see if the performance improves. import RPi.GPIO as GPIO import time from time import sleep GPIO.setmode(GPIO.BOARD) G...
test-img

Carl_M

When I try to build the teeny 4.1 encoder>speedTest.ino example I get a type conversion error, from volatile uint32_t* to volatile unsigned char*

When I try to build the teeny 4.1 encoder>speedTest.ino example I get the following error: error: cannot convert 'volatile uint32_t {aka volatile long unsigned int}' to 'volatile unsigned char*' in...
test-img

Paul S

c++

arduino

encoder

teensy

Votes: 0

Answers: 1

Latest Answer

The macro definition is clearly wrong. It looks like it was done for the old AVR Teensies and was not adjusted to the 32bit ARM boards. For a T4.x you can simply replace it by // #if defined(__AVR__) ...
test-img

luni64

ValueError: could not convert string to float: -- problem with lables

I'm getting the following error when trying to extract festues, I have to do the split before the feature extraction. The y contains the labels so not sure why I'm getting the error. data is wav files...
test-img

Ran

python

machine-learning

encoder

train-test-split

Votes: 0

Answers: 0

Generalise a function to all Int types without overloading?

I am making a custom Encoder, and it turns out I need to call the exact same functions on Int, Int8, Int16, Int32 and Int64 (and unsigned variants thereof). Is there a way to do this without writing t...
test-img

ice-wind

swift

integer

encoder

Votes: 0

Answers: 1

Latest Answer

Here is what I came up with thanks to @koropok 's comment : extension Data { init<T : FixedWidthInteger>(_ value : T) { self = Swift.withUnsafeBytes(of: value.bigEndian) {Data($0)} ...
test-img

ice-wind

Posts

Questions

Blogs

Jobs