server

Clone repository

cd
sudo apt install git
git clone https://github.com/maltsevvv/server.git
cd server

Connection FAN

• +5V
• GND
• GPIO 23

Hardware components

• Raspberry Pi
• Fan 5VDC 0.2A
• Transistor NPN 2N2222
• Diode 1N4007 (1A 1000V)

To read tempreture of raspberry pi CPU

cat /sys/class/thermal/thermal_zone0/temp

To test and choose suitable fan speed

python fan_calib.py

Fan Speed: 0

Fan Speed: 100

Fan Speed: 40

Configure to auto-run fan after reboot

sudo cp fan_ctrl.py /usr/local/bin/

To run program

python /usr/local/bin/fan_ctrl.py

Copy fan_control.service

sudo cp fan_control.service /etc/systemd/system/

Start fan_control.service

sudo systemctl enable fan_control.service
sudo systemctl start fan_control.service

Button reboot

python button_reboot.py

Configure to auto-run button_reboot after reboot

sudo cp button_reboot.py /usr/local/bin/

Copy button_reboot.service

sudo cp button_reboot.service /etc/systemd/system/

Start button_reboot.service

sudo systemctl enable button_reboot.service
sudo systemctl start button_reboot.service

Raspberry Pi Status Monitor with SSD1306 128x32 OLED

status show

• Time
• CPU temp
• HDD1 free *** % (/dev/sda1)
• HDD2 free *** % (/dev/sdb1)

Enable I2C Raspberry

sudo raspi-config

Install packages

sudo apt-get install -y python3-pip python3-pil i2c-tools

sudo pip3 install adafruit-circuitpython-ssd1306

Check I2C

sudo i2cdetect -y 1

Configure to auto-run pistatus after reboot

sudo cp -r pistatus /usr/local/bin/

To run main program

python3 /usr/local/bin/pistatus/pistatus.py

Copy fan_control.service

sudo cp pistatus/pistatus.service /etc/systemd/system/

Start fan_control.service

sudo systemctl enable pistatus.service
sudo systemctl start pistatus.service

Led status

sudo nano /boot/config.txt

enable_uart=1