Hardware and Software Design for Embedded Alarm System - 04/01/2018 14:53 EST

I need a hardware design and software development for an alarm system. User connects to alarm system through ethernet cable. The system must then be configurable through a simple web interface protected with user and password. Wizzard propoted asks to change the password and goes to basic network configuration of ethernet and wifi. Configuration page allows configuration of warning levels for all sensors. If warning level is reached buzzer and red light goes off. All information stored locally in MariaDB log file and communicated through API to a central web server (this server is out of the scope of this, but API documentation will be proviced). The API must be configured in the settings page.

Measurement sensors:

- Temperature

- Relative Humidity (Calculate Dew Point)

- MQ-2 Gas Sensor (Smoke, LPG, Buthane, Propane, Methane, Alcohol, Hydrogen)

- MQ-7 Gas Sensor (Carbon Monoxide)

- Vibration Sensor

- PIR Sensor (Motion Detection) with sensitivity and delay time adjust + fresnel lens

- Water Leakage Sensor (connected through 5m cable)


- Wifi

- Ethernet

- Buzzer (alarm)

- Green LED (power)

- Red LED (alarm)

Size limitations: 100x100x30mm

Deliverable are:
PCB design files, Firmware, Schematics, Software Sourcecode, 1 working sample

Skills: Circuit Design, Electrical Engineering, Electronics, Embedded Software, PCB Layout

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About the Employer:
( 30 reviews ) Hahnenbach, Germany

Project ID: #16006708

19 freelancers are bidding on average $1488 for this job


Hello, I am an Embedded system developer and Product Design Engineer.I have extensive experience in Design of Electronics and embedded System Design. I have expertise in PCB Design and also Firmware development.I have More

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Dear Sir, I am an electrical engineer with ample experience in this area . I am interested in your project, please send a message so that I can give you details. Relevant Skills and Experience 18+ years in Industry, More

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(15 Reviews)

Expert with more than 15 years of experience in the field of embedded systems, electronics, prototyping and PCB Layouts. I have worked on Similar project using W5100 with AVR & PIC18F97J60 alone. Relevant Skills and E More

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Hi Sir, we have already developed similar products. Relevant Skills and Experience We have 8+ years of experience in Embedded Systems. We can produce you very high quality results. you can check our portfolio. Pro More

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Multiple sensors to be interfaced to a central board, provide a web interfacefor user to program paramaters and deliver data to central server using API Relevant Skills and Experience Vast embedded experience , develo More

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I already had a similar system like this based on raspberry pi (data integrator) and Nordic nRF52832 (sensors) supporting the following functions: temperature, gas sensor, motion sensor Relevant Skills and Experience More

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Dear Client. Thank you for your kindly visiting to my profile. As High-Skilled Embedded System Designer, Developer and Manager, I have full experience and rich knowledge of Embedded System Development. 1) Rich Schem More

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