---
format:markdown
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#setup issues

~~~
pi@raspberryIP:
=============
sudo useradd golem
sudo passwd golem
sudo mkdir /home/golem
sudo chown golem  /home/golem
sudo chsh -s /bin/bash golem
sudo adduser golem i2c
sudo adduser golem dialout
sudo adduser golem gpio


sudo apt-get install emacs-nox
sudo update-alternatives --config editor
sudo apt-get install mc






RemoteComputer:
================
ssh-keygen -t rsa
cd .ssh;ssh-copy-id -i id_rsa.pub kdo@kde
~~~

Relays:
echo "import lib as lib;lib.gpio_high(4)"|python
pi@et:~/Sandbox/Et $ pin=16;echo "import lib as lib;lib.gpio_low("$pin")"|python; sleep 2;echo "import lib as lib;lib.gpio_high("$pin")"|python

A/D:
cat /sys/devices/platform/soc/*04000.i2c/i2c-1/1-0048/in4_input;



## Troubles:

* sudo passwd nefunguje radne (1019 pendulum). Potreba pres sudo raspi-config ... ???



## RSRCs:

* https://github.com/skiwithpete/relaypi/blob/master/8port/script1.py
* [Rellay issues](https://github.com/johnwargo/Seeed-Studio-Relay-Board/blob/master/seeed_relay_test.py)
* [LED issues](https://thepihut.com/blogs/raspberry-pi-tutorials/27968772-turning-on-an-led-with-your-raspberry-pis-gpio-pins)