You can try Upwork. It's the best for electronics area according to me. There are so many other sites too. Like fiverr, people per hour and all.
Also if there is any specific you need to know or want any help, you can reach out to me directly I will help you all the way I can. I am freelancer too, I do Apps, website and designing.
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Thank you very much for the information, I'm going to open an account on those pages to see what the process is like, so you say you do not really dedicate yourself to electronics, but rather programming?
At the moment I am doing freelancing in Web, App & Designing. But it is not like I left the Electronics fully I am educating some of my friends in microcontroller as they want to as they want to expand their business in controllers too.
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