Many professionals have skills that have the potential to cross over into trading. As an engineer with a focus on electronics, you probably are good with numbers and computational logic which could translate well to technical analysis and automated trading.
Developing and testing an automated strategy has some useful similarities to electrical engineering. Your understanding of safety factors could also help you to be more conservative in your risk management which can be a weak point for most beginner traders.
If you have no knowledge of finance or economics, then start with the free lessons available on this site. While you go through the lessons, test what you learn with a free demo account. Consider MT4, since it's a free platform with automation capabilities offered by many (most?) forex brokers including FOREX.com