All Questions
8 questions
0
votes
0
answers
46
views
Rotary encoder issues
I currently have a 600 p/r encoder hooked up to a pi 4. Seems to work ok, but due to the pi OS (bookworm) it usually misses some counts. From what I read, it seems that there are 2 possible ways to ...
- 1
0
votes
3
answers
800
views
Simple float switch sensor frying GPIO pins, while the other doesn't? Hydroponics system
I'm building this mostly finished hydroponics system. It's a surge tank build.
Surge tank looks like:
(that's nutrient water, it's got electrolytes that plants crave)
Inside that bucket are two ...
- 103
0
votes
0
answers
45
views
pigpio's sending only partial and inaccurate data
I want to send IR signals with pigpio and receive it, all on a raspberry zero w. To send the data, I use the IR Record and Playback script from the pigpio library. To receive data, I use the code from ...
- 119
0
votes
1
answer
381
views
Failing to read I2C data on LPG10 flow sensor using Python
I'm having some issues reading flow sensor data (Sensirion LPG10, to be precise) using the RPi Zero's I2C bus.
I think I have set the bus and wiring up correctly as running 'i2cdetect -y 1' returns ...
- 13
2
votes
1
answer
982
views
Pigpio reading sensor returning -83”i2c read failed”
I am testing using my new air quality 5 click sensor with my Raspberry Pi
(https://www.mikroe.com/air-quality-5-click)
using command line.
When I enter i2cdetect -y 1it appears at address 48.
Then ...
0
votes
1
answer
601
views
Pigpio not closing
I have a program that is meant to read data:
import pigpio
pi = pigpio.pi()
if not pi.connected:
exit()
h = pi.i2c_open(1, 0x5a)
c, data = pi.i2c_read_device(h,0x09)
print(data)
pi....
1
vote
2
answers
2k
views
HC-SR04 distance = 0 using pigpio in C++
As the title says, the distance in my sonar is giving me 0, I think I found out the problem, but the code was working fine with wiringPi.
Functions:
I only changed names to be equal to Arduino
...
- 39
0
votes
1
answer
1k
views
HC-SR04 ultrasonic sensor reading becomes highly unusable when PWM is active
Good day
I am trying to sample distance using a sonar/ultrasonic sensor for altitude measurement. When the PWM is not active, the sensor gives accurate measurements in centimeters, however with the ...
- 350