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RPi_WS2812b_LED
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jhealy 4 years ago
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README.md
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@ -1,3 +1,5 @@
# tickerPi # tickerPi
tickerPi is a Python Program to handle WS281X LED interactions on a Raspberry Pi tickerPi is a Python Program to handle WS281X LED interactions on a Raspberry Pi
@ -39,11 +41,11 @@ tickerPi is a Python Program to handle WS281X LED interactions on a Raspberry P
sudo update-alternatives --install /usr/bin/python python $(which python3) 2 sudo update-alternatives --install /usr/bin/python python $(which python3) 2
sudo update-alternatives --config python sudo update-alternatives --config python
``` ```
2. Enabling I2C and SPI, which is only required to be done **once** for **each** Raspberry Pi: 2. Enabling I2C and SPI, which is only required to be done **once** for **each** Raspberry Pi:\
**Only Required if you are using multiple devices on your Raspberry Pi, if not, move to step 3** **Only Required if you are using multiple devices on your Raspberry Pi, if not, move to step 3**\
**Important** **Important:**
> If you are using a GPIO wiring setup for the LEDs that does not support I2C, you will not see anything show up for the LEDS. > If you are using a GPIO wiring setup for the LEDs that does not support I2C, you will not see anything show up for the LEDS.\
Again, this is only for if you have **OTHER** devices you plan on hooking up to make sure they still show up under I2C Again, this is only for if you have **OTHER** devices you plan on hooking up to make sure they still show up under I2C\
* Enabling I2C: * Enabling I2C:
* From Command Line: * From Command Line:
@ -60,8 +62,8 @@ tickerPi is a Python Program to handle WS281X LED interactions on a Raspberry P
``` ```
sudo raspi-config sudo raspi-config
``` ```
* Interfacing Options > SPI > Enable > Yes * Interfacing Options > SPI > Enable > Yes
* Click "Finish" * Click "Finish"
* Reboot your Raspberry Pi * Reboot your Raspberry Pi
``` ```
@ -74,7 +76,7 @@ tickerPi is a Python Program to handle WS281X LED interactions on a Raspberry P
sudo i2cdetect -y 1 sudo i2cdetect -y 1
``` ```
* If you do not get anything back from the above command, try seeing which I2C is being used under Dev: * If you do not get anything back from the above command, try seeing which I2C is being used under Dev:
``` ```
ls /dev/i2c* ls /dev/i2c*
``` ```
> whichever number is after the "-" in "/dev/i2c-(X) is what you should replace the number in the command with > whichever number is after the "-" in "/dev/i2c-(X) is what you should replace the number in the command with
@ -103,18 +105,18 @@ tickerPi is a Python Program to handle WS281X LED interactions on a Raspberry P
``` ```
sudo pip3 install adafruit-circuitpython-pixel-framebuf sudo pip3 install adafruit-circuitpython-pixel-framebuf
``` ```
4. Changing Conflicting HDMI Settings: 4. Changing Conflicting HDMI Settings:\
**Important:** Only do this if you are having issues with the LEDs, this is not always needed! **Important:** Only do this if you are having issues with the LEDs, this is not always needed!\
``` ```
sudo nano /boot/config.txt sudo nano /boot/config.txt
``` ```
* If it doesn't already exist, add: * If it doesn't already exist, add:
``` ```
hdmi_force_hotplug=1 hdmi_force_hotplug=1
hdmi_force_edid_audio=1 hdmi_force_edid_audio=1
``` ```
* Save and exit the file (ctrl + x > y) * Save and exit the file (ctrl + x > y)
* Reboot Raspberry Pi * Reboot Raspberry Pi
``` ```
sudo reboot sudo reboot
``` ```

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