Archive for August, 2022

In order to externally power the engines I’ll use a 8-battery rechargeable pack that I bought long time ago for a led strip. This pack offers 1.2*8=9.6V and 2.3mAh when it’s totally charged. I welded a power jack plug to power Arduino, but it’ll be more helpful powering batteries, so I grabbed a male power […]

Sunday, August 28th, 2022 at 16:00 0 comments

With the PN2222A transistor issue solved I was finally able to start programming, that was what I was looking for initially. I added one wheel to the engine and checked the voltage (4.54V max with a 1KOhm resistance). It’s really slow, this won’t move the whole car kit (500g). I followed the scheme from the […]

Tuesday, August 16th, 2022 at 16:00 0 comments

I almost abandoned the whole project in order to come back to my world of ones and zeros where EVERYTHING WORKS. It seems that my PN2222A transistors are from a rare manufacturer who is not respecting the datasheet because the emitter-base-collector has other order, but first things first. Right after having the car kit mounted, […]

Monday, August 15th, 2022 at 16:00 0 comments

This is my first big project with Arduino. After so many doubts regarding which version to buy: 2 wheels, 4 wheels or even not touching anything related to Arduino at all, I finally chose the 4 wheel kit because the 2 wheel kit seemed ugly to me xD. I needed a few days to realize […]

Wednesday, August 10th, 2022 at 16:00 0 comments

– Installing Apache with the following commands: sudo apt-get update sudo apt-get install apache2 In order to check if Apache is working, we can open a browser and load the port 80 from our Raspberry Pi (in my case http://192.168.1.20). – Installing php with the following command: sudo apt-get update php5 libapache2-mod-php5 We can check […]

Tuesday, August 9th, 2022 at 16:00 0 comments

I’m going to explain how to install and configure a shared folder hosted in our Raspberry Pi to be accessed from our Windows PC by using Samba. Installing samba packet by typing the following command: sudo apt-get install samba samba-common-bin Creating a backup for the configuration file: sudo cp /etc/samba/smb.conf /etc/samba/smb.conf2 Editing smb.conf file: workgroup […]

Sunday, August 7th, 2022 at 15:09 0 comments

Sometimes we got problems when resolving DNS because some app is messing around. We can check the DNS server list with the following command: cat /etc/resolv.conf We can add Google servers to resolve DNS to ensure that the conection issue won’t be related to DNS anymore. sudo nano /etc/resolv.conf and we’ll add nameserver 8.8.8.8 To […]

Thursday, August 4th, 2022 at 16:00 0 comments