control multiple doors

от mos3d

A project to control multiple doors. The number of door varies from 3-30. I intent to use one UNO for each door in a One master and Multiple slaves arrangement, signal is loop via one wire. On each door, there are: 1) Three LED light. to indicate \"RED\" for not allow to open\", \"Green\" for allow to open\" and \"Yellow\" for fault\' 2) Logic for the light is: when all the doors are close, the green light on, when one of the door is open, the red light on, and if the door is open for longer than a preset time (say 10 sec), the yellow light on. 3) each door will have one Limit switch to detect the door status (close or open).\"ON\" means close and \"OFF\" means open. 4) each door will have one push button. push button when activated, will de-energized a relay for a preset time (say 6 sec) to open the door. and relay will re-energized automatically after a preset time (say 6 sec). 4a) In an initial stage, all doors are c

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With over 6 years of experience under my belt , i am the PERFECT contractor for your project. if you're looking for high quality work from a person specialist in embedded systems , hardware prototyping , Robotics and digital design , then i am the person you need to work with. My field of professionalism includes : 1-Micro-controllers with variant types like (Pic ,ARM, AVR , 8051) 2- development kits (Arduino, Mbed,Raspberry pi ) 3- Digtal design and Verification using (VHDL, Verilog and system Verilog) 4-FPGA prototyping using (Xillinx and Altera) FPGAs as well as 5-electronics hardware implementation 6-PCB design. 7- Programming languages: Python, C/C++, JavaScript, HTML, CSS. 8- Sensing : Wired(I2C, SPI, CAN, Modbus, MQTT, RS232/485, SNMP), Wireless(WiFi, BLE, RF, Xbee) sensor managements with Raspberry Pi/Arduino. I'm always committed with time and specifications for the required jobs and care about quality of delivered work

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