Expert Advisor based on RSI and BB strategy for MQL4

I would like to create an EA based on the attached working indicator which places orders based on the Bollinger Bands and RSI.

1. The idea of the trading system is as follows: market entries are performed when it crosses inside RSI overbought and BB upper line for short trades and the opposite for long trades.

2. Trading Signals:

• Buy signal: close price crosses inside BB lower line and RSI crosses oversold level.
  
• Sell signal: close price crosses inside BB upper line and RSI crosses overbought level.

5. Position management There can only be a limited number of positions open at a certain time

6. Inputs required:

• RSI period (default 14)
• RSI overbought level (default 70)
• RSI oversold level (default 30)
• BB period (default 20)
• BB standard deviation (default 2)
• Take profit in percentage (default 10%)
• Stop loss in percentage (default 50%)
• Number of orders open simultaneously (default 5)
• Equity per order ($100 or 10% of account equity)
• Order margin (x200)
• true/false to activate or deactivate long and short orders separately