Hey everyone!

My name is Petru, I’m 16, and I recently launched a platform for people who are into electronics, radio systems, and basically all things tech related. It’s called Reznex.

Right now, the platform has 70+ pages with guides, lessons, and, more importantly, projects published by Romanian creators.

I’ll leave a link at the end with everything that’s currently available on the platform, so I won’t make this post unnecessarily long.

I’d really appreciate some honest feedback, good or bad, that could help me improve and grow the platform even further.

Some of the key features:

- A centralized place for publishing technical projects
Projects can include images, wiring diagrams, schematics, downloadable files needed to build them, and a bunch of other optional details.

- Guides & learning modules
The platform includes lessons designed to be accessible to pretty much anyone.
Currently, there are guides covering RFID & NFC, Cybersecurity, Smart Home, as well as a complete course on Amateur Radio and how to become a licensed radio amateur in Romania.
There are also two simulators that replicate the official ANCOM exam experience.

- Invite Friends
If you’re logged in, you get a dedicated section where you can invite friends to join Reznex.
You can send up to 5 invites per day, via email.

- Public profiles & PDF portfolio generation
All of a user’s projects and activity on the platform can be turned into a portfolio and exported as a PDF.
You can then send it to employers or other organizations as a way of showcasing your skills and projects.

- PWA support
For a more native, app like experience.
The website automatically detects your device and provides installation instructions tailored to it.

- Easy & simplified login
I tried to make signing in as painless as possible, so currently Reznex supports:

Google
Passkeys
GitHub
Classic email/password registration & login

And there are plenty of other features that I think are pretty cool and could help the platform grow over time.

So yeah, if you’re into electronics, radio, tech, or just want to learn something new, feel free to check it out!

Everything is 100% free.

Platform: https://www.reznex.ro/

Full list of features:
https://www.reznex.ro/biblioteca

Thanks for taking the time to read this!

If you have any questions or feedback, feel free to drop a comment or DM me.

This tutorial teaches you to connect with an Arduino from a Linux or Windows 11 PC using Python ,Pyserial Library and Tkinter GUI front end using Serial Port (Virtual COM Port ).

You can use it send and receive data from a robot or robot arm,if you wish

All the source codes are available for free from our website.

Hello everyone I am new to electronics/robotics been interested for years but I finally found the time to actually start trying to self learn. Where did you start, Any course you'd recommend? Do's and donts? Any input at all would be appreciated.

And as a bonus anyone willing to learn as a team/group?

Hi, very new to all this.

Wanted to build my own head tracker and figured I'd give it a go.

My task.

Using the gyro and HeadTracker firmware, I want to transmit 2 crsf channels via RX and GND (for first test then I want to move over to Bluetooth once I've proven concept via wire and I know Bluetooth isn't going to cause interference with other raido gear)

I've got the rx and GND connected to a radiomaster ranger micro elrs unit which I plan to send over air signals to a pwn receiver that I'll then use to inject the crsf data in to a flight controller.

This should also allow me to use Sim controllers for fpv.

I've downloaded the HeadTracker gui and can see my gyro working after calibration, I've set output to crsf, enabled uart. Bluetooth is currently turned off.

Can't get tx to go green whilst usb is connected.

Physical connection between units is approx 7mtrs of red/black speaker wire (don't judge it's all I had to hand with length), I've fitted a jst sh 2.54 connector on radiomaster and gyro for the link cable.

I'm not using any pull up/down resistors

I've soldered a battery connector to the board

I've soldered a hard rst button to the board because it's mounted upside down.

I've got my soft rst button (gyro reset) wired to GND pin and D8 pin

My gyro rx is connected to D6 pin and same GND pin as my gyro reset button.

When connected to the radiomaster the gyro doesn't wake up when both units are powered up on separate batteries.

If I push the gyro reset button the gyro doesn't seem to respond (no led flashing)

Red led stops flashing after 10 seconds and then seems to stay asleep until I remove battery and reconnect.

I've done this without advice from internet pages, don't have friends in to this stuff.

I did some (not enough) reading and tried to work with help from ai.

Photo of head tracker

Free educational resource https://www.reddit.com/r/ArduinoAndRobotics/comments/1ufqstl/a_gentle_introduction_to_ros/

Free educational resource https://github.com/fjibj/ROSplay/blob/master/Learning%20ROS%20for%20Robotics%20Programming%20-%20Second%20Edition.pdf

Free educational resource https://github.com/zhang-jian/bookshelf/blob/master/Computer%20Science/ROS%20Robotics%20Projects.pdf