You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
89 lines
2.6 KiB
89 lines
2.6 KiB
# Vodnik za odpravljanje težav z Raspberry Pi
|
|
|
|
Ta vodnik ponuja rešitve pogostih težav pri izvajanju IoT projektov na napravah Raspberry Pi.
|
|
Namenjen je začetnikom, ki sledijo učnemu načrtu IoT-For-Beginners, vendar je uporaben tudi za splošni razvoj na Pi.
|
|
|
|
---
|
|
|
|
## 1. Napake pri namestitvi in odvisnostih
|
|
|
|
### ❗ `ModuleNotFoundError: Ni modula z imenom 'xyz'`
|
|
To se zgodi, ko zahtevani Python moduli niso nameščeni.
|
|
|
|
**Popravek**
|
|
```bash
|
|
pip3 install <module_name>
|
|
|
|
Permission denied when running scripts
|
|
|
|
Often caused by accessing GPIO, I2C or system hardware without elevated privileges.
|
|
Quick fix:
|
|
sudo python3 script.py
|
|
|
|
Recommended fix (no sudo needed every time):
|
|
sudo usermod -aG gpio,i2c,spi $USER
|
|
sudo reboot
|
|
|
|
2. GPIO / I2C / SPI Not Working
|
|
❗ RuntimeError: No access to GPIO
|
|
|
|
Add user to GPIO group:
|
|
sudo usermod -aG gpio $USER
|
|
sudo reboot
|
|
|
|
❗ I2C / SPI devices not detected
|
|
|
|
Enable interfaces:
|
|
sudo raspi-config
|
|
→ Interface Options
|
|
→ Enable I2C / Enable SPI
|
|
|
|
Check if I2C device appears:
|
|
i2cdetect -y 1
|
|
|
|
3. Camera / Video Issues
|
|
❗ Camera not detected or fails to start
|
|
|
|
Enable camera interface:
|
|
sudo raspi-config
|
|
→ Interface Options → Camera → Enable
|
|
sudo reboot
|
|
|
|
Check if camera is visible:
|
|
vcgencmd get_camera
|
|
|
|
4. Wi-Fi / SSH / Connectivity Problems
|
|
| Problem | Fix |
|
|
| -------------------------------- | --------------------------------------------- |
|
|
| SSH connection refused | `sudo raspi-config → Interface Options → SSH` |
|
|
| Device not showing on network | Check IP using: `hostname -I` |
|
|
| Slow Wi-Fi / unstable connection | Prefer 2.4 GHz band, update OS |
|
|
| Unable to access Pi headless | Add `ssh` file to boot partition |
|
|
|
|
|
|
5. Performance Issues
|
|
Raspberry Pi running slow / laggy
|
|
|
|
Close unused applications
|
|
|
|
Reduce background services
|
|
|
|
Use Lite OS if no desktop needed
|
|
|
|
Ensure sufficient power supply (5V/3A or better)
|
|
|
|
Check CPU load:
|
|
top
|
|
htop
|
|
|
|
Storage issues:
|
|
sudo apt autoremove
|
|
sudo apt clean
|
|
df -h
|
|
|
|
---
|
|
|
|
<!-- CO-OP TRANSLATOR DISCLAIMER START -->
|
|
**Opozorilo**:
|
|
Ta dokument je bil preveden z uporabo AI prevajalske storitve [Co-op Translator](https://github.com/Azure/co-op-translator). Čeprav si prizadevamo za natančnost, upoštevajte, da lahko avtomatizirani prevodi vsebujejo napake ali netočnosti. Izvirni dokument v njegovem izvorno jeziku velja za avtoritativni vir. Za pomembne informacije priporočamo strokoven prevod s strani človeka. Nismo odgovorni za morebitna nesporazume ali napačne razlage, ki izhajajo iz uporabe tega prevoda.
|
|
<!-- CO-OP TRANSLATOR DISCLAIMER END --> |