Hi sir,
I have ready solution for you.
I have provided RFID based access control systems to my clients. I have provided both conventional solutions availabe in market and also designed my own customized pcbs to clients based on there requirements.
I give you the MFRC522 based RFID control system that will be based on arduino mega and YES you can have 10 RFID readers, even if you like i will embedd more in it. You will have also option of master access too.
I will connect them with backend MYSQL and also will make you nice GUI in python for activity monitoring on your computer or whatsoever you want.
Infact i have done this project many times, contact me and i will show you some of my projects.
Let me introduce my team to you sir
We are team of expert engineers and developers who are sound experienced in embedded systems (arduino + other microcontrollers), programming, circuit designs, electronics, product designs, pcb layouts, database management, MySQL etc.
We offer you our services at very low rates.
We will deliver design and code, if you want us to send you prototype, you have to pay additional charges of prototyping and courier such as dhl etc.
We are very friendly in nature and will help our clients during and after projects completion.
We are flexible in communications and rates.
Very much looking forward to hear from you on this in coming days.
Regards,
Ahmed
Lead Technical Engineer
Turktroniks