Etiket arşivi: raspberry pi 3 model b

Raspberry Pi / Linux : Change mac address permanently

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To change mac address of raspberry pi, edit /etc/network/interfaces file as shown below;

auto eth0
iface eth0 inet dhcp
hwaddress ether 00:00:00:00:00:00 # (mac address)

And then reboot the pi. It’s ok.

Raspberry Pi 3 Model B Turn on and off Led

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Connect led to Raspberry Pi as shown below (I used GPIO 20 port, also you can use another GPIO port but, you must point out this port in the python file).

rpi

Then open a text document, named it led_status.py. Then write the codes below in it.

import RPi.GPIO as GPIO

def set_led(status):
        GPIO.setmode(GPIO.BCM)
        GPIO.setwarnings(False)
        led = 20
        GPIO.setup(led, GPIO.OUT)
        GPIO.output(led, status)

Run the script by the command below;

to turn on the led  python  -c ‘import led_status; led_status.set_led(1)’

to turn off the led python -c ‘import led_status; led_status.set_led(0)’

 

Sources for pictures:

  • https://www.coolcomponents.co.uk/raspberry-pi-3-model-b.html
  • http://www.rs-online.com/designspark/electronics/eng/blog/introducing-the-raspberry-pi-b-plus
  • https://www.raspberrypi.org/documentation/usage/gpio/

Raspberry Pi 3 Model B Eduroam Settings

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Add following commands to /etc/wpa_supplicant/wpa_supplicant.conf and reboot raspberry pi.

network={
 ssid="eduroam"
 key_mgmt=WPA-EAP
 auth_alg=OPEN
 eap=TTLS
 identity="mail_address@nevsehir.edu.tr"
 password="your_password"
 phase1="tls_disable_tlsv1_1=1 tls_disable_tlsv1_2=1"
 phase2="auth=PAP"
}