hello sir, how are you. I read your proposal and i am interested in this project.
Sir i worked on Zigbee module and have completed two projects based on zigbee communication.
I will tell you the exact cost of the project after discussion with you.
I am an Embedded engineer (ARM, PIC, AVR, Arduino, SOC BLE (bluetooth) chips, ZigBee, WiFi, GPS, LED, LCD display etc.) and PCB designer (Altium, KiCad, Orcad), 3D Modeling.
You can check my profile for more information. I can do this project as per your requirement.
I hope you will consider me for this project. I am waiting for your reply......
thanks with regards
Preetpal Singh