I always wanted to find an efficient way to share information between an Arduino and a computer. You can send raw strings, use a protocol or even create your own. In this context, I will use as example a DHT11 sensor with an Arduino Uno to retrieve data back. DHT11 Sensor This sensor is very … Continue reading Python, Serial Port, Arduino and JSON
Install Node.js and cncjs on Raspberry Pi Zero
Installation of Node.js Like I installed the light version of Raspbian without any additional packages, it is necessary to install Node.js on which cncjs is based. Raspberry Pi Zero is based on an armv6l architecture, so we have to download the appropriate version. Furthermore, cncjs v1.x recommends to use a specific Node.js version as v4 … Continue reading Install Node.js and cncjs on Raspberry Pi Zero
Start Python file with crontab at startup
When I used cncjs with my laser engraver, I had to start manually it at each startup which can be annoying. Furthermore, I added a script for the streaming of the camera. The keyword that needs to be used is "@reboot". Then, eachtime your computer starts, it will also launch the script.
0x8007025D Windows Installation Error and VirtualBox
I tried to install a new virtual machine with latest version of Windows 10 (2004), but during installation, I always encountered the 0x8007025D error message, randomly in different moment of the setup. It appears that this error is related to Hyper-V. In my case, I solved this issue by deactivating Hyper-V on my computer but … Continue reading 0x8007025D Windows Installation Error and VirtualBox
Headless VNC Server on Raspberry Pi
I always wanted to know how to launch at startup the VNC Server on a headless Pi without connecting in SSH first to enter command manually. It appears that 3 conditions are necessary: To force the Pi to boot on desktop with autologin;To setup manually a resolution for the Pi;To activate VNC at boot; And … Continue reading Headless VNC Server on Raspberry Pi
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