arduino GPRS autonomous water meter data logger

== Arduino GPRS autonomous water meter data logger ==

Looking for an experienced arduino programmer with gprs experience and some hardware knowledge to write a sketch for me and provide general advice on deployment.

Hardware to be used: Seeduino stalker v2.3 / seeed GPRS shield / Seeed 6A LiPo battery / Seeed 3W Solar Panel / Sensus HRI

The sensus HRI is a battery powered semi-intelligent pulse generator with two wired outputs and a common ground; pulse and a boolean anti-tamper/error status. A full spec will be provided.

== Core software functionality ==

- Logger to collect meter pulses (int) and error status (boolean) and save them with a timestamp after p1 period (eg 5 min) as a simple count since last timestamp and cumulative count since time began.

- Transmit collected data in json / cosm format (as a PUT) every p2 period (eg hourly) to client defined HTTPS URL

- Operate as much as possible in a power saving mode consistent with continuous autonomous operation on solar power.

- No data to be lost (eg in case of failed communications or some other response besides a 200 OK, data is cached until proper communication resumes)

== Additional software functionality ==

1) Seeduino Temperature, battery voltage and charging status to be included in data transmission

2) At every data transmission also perform a POST request to a client defined HTTPS URL, the response may contain one or more parameters (in a format to be agreed) which will adjust various settings in the device, including:

- Device ID

- API key (ref. COSM API)

- title (ref. COSM API)

- id (ref. COSM API)

- The PUT and POST urls

- RTC time corrections

- p1 and p2 periods (in seconds)

- cumulative count corrections

== The successful bidder will be required to ==

- First scope the project, recommend hardware or functionality changes if necessary.

- Write a sketch with the agreed functionality which will work on the agreed hardware.

- Provide some advice on deployment.

== Deliverables ==

- Sketch which will work with the above hardware.

- If necessary, provide some advice on deployment.

- Provide advice on connecting the pulse sensor.

Skills: Arduino, C Programming, Electrical Engineering, Electronics, Microcontroller

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About the Employer:
( 0 reviews ) Baldock, United Kingdom

Project ID: #4310547

12 freelancers are bidding on average £528 for this job


hi, i am an electrical engineer and an embedded system developer. i can help you with this project.

£3000 GBP in 75 days
(1 Review)

Hi, I can do this job.

£250 GBP in 20 days
(6 Reviews)

Dear Sir, We are Reserach and Development company whose working area are : -Digital Motor Control -Analog Design -Electronic Design -Power Electronics -PCB design -Embedded system -Matlab -Simulation of ha More

£220 GBP in 6 days
(2 Reviews)

visit [url removed, login to view] and my freelancer profile. I can do it with sim900 gsm modem that i have with me already, which is the same as seeedstudio one. Check PMB.

£250 GBP in 15 days
(2 Reviews)

Hi, do you need a professional help?

£200 GBP in 5 days
(9 Reviews)

I'm experienced with Arduino and GPRS. I can do this project.

£180 GBP in 14 days
(5 Reviews)

Dear Sir, We have more than 5 years of experience in Microcontroller, Embedded system, Sensors, Product Manufacturing, PCB Designing and developing. We can do your project very well. Please check your PM For more detai More

£200 GBP in 14 days
(1 Review)

please check my pm

£150 GBP in 5 days
(1 Review)

Hi; i'm newbie in freelancer but i'm sure i'm the best candidate for this project i'm working on security systems using auto call and GPRS,GPS and IMU for detecting position and any movement for the object. and hope More

£200 GBP in 6 days
(0 Reviews)

I am telecommunications engineer specialized in electronics equipment, and have experience in developing drivers and other stuff for Arduino since some years ago, you can take a look at my open source project https://c More

£300 GBP in 21 days
(0 Reviews)

I can do it.

£200 GBP in 5 days
(0 Reviews)

Hello Ricardmh, I could collaborate with you in GPRS comms. Best Regards, Javier

£200 GBP in 20 days
(0 Reviews)

Have recently written an embedded communication layer in C for data over cell modems. The bid does not include hardware required to test and debug the project.

£1206 GBP in 35 days
(0 Reviews)