Arduino AC Power meter with relay control

The purpose of this project is to to provide a device (circuit) that can monitor and control the power from an AC mains socket using an Arduino board.

This will result in a device similar to the Kill A Watt ([url removed, login to view]) but without an LCD display and all data being accesible by the Arduino.

The device must be able capable of supporting the monitoring of 110 to 240 volts AC 50Hz or 60Hz

Power for all components and the Arduino must be obtained from the Ac source.

Other than for power sources, all components should use Opto Isolated devices to isolate low voltage devices from the mains supply.

Switching of the Ac relay should be done via bit changing of one of the arudino's digital outputs.

A header should be provided (on the low voltage) side of the board that can directly connect to the Arduino to provide monitoring data, power and relay control.

The preference is to use an IC, such as Analog Device's ADE7753, or similar to carry out power measurements/calculations to reduce the processing requirements of the Arduino.

Sketch code for the Arduino should be supplied to allow realtime display of Real Power, Apparent Power, Vrms, Irms and any other avaiable power measurements via the Arduino's serial/usb interface.

Existing projects that meet some of the identified requirements are listed below. Submitted designs should not simply be modified versions of the designs in these existing projects.

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Project deliverables


PCB board design

Bill of Materials

Arduino code for Sketch

Built prototype

Skills: Electronics, Embedded Software, Microcontroller, PCB Layout

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

Project ID: #826262

12 freelancers are bidding on average $429 for this job


hi please check pm

$500 USD in 20 days
(10 Reviews)

20+ yeas experience in embedded design. Among others, power meter was designed. See PM.

$300 USD in 25 days
(6 Reviews)

please refer to your pmb for furthur negogiations....

$250 USD in 15 days
(5 Reviews)

We designed varieties of Energy Meters,so there is no technical [url removed, login to view] details will be asked for uf selected Regards adip

$500 USD in 30 days
(4 Reviews)

please check your PMB

$500 USD in 14 days
(3 Reviews)

U are interested about the code compiler! I can do it in AVR-GCC!

$300 USD in 30 days
(1 Review)

See details in MB.

$600 USD in 20 days
(0 Reviews)

Please check Your PMB.

$250 USD in 40 days
(0 Reviews)

I have a Bsc. in Electronics & Computer Engineering. Currently I'm working in an IT and Automation company where I'm involved in development of automated systems and robotics. I also have skills in Arduino programming. More

$400 USD in 21 days
(0 Reviews)

CISIUM Inc. is a engineering service provider specialized in embedded product design, control and automation. This products is core technology and we can implement it fully to your satisfaction. Read your PM for detail More

$250 USD in 2 days
(0 Reviews)

Hi, We have experience in doing this activity. start a discussion we could initiate the work. If required we could help you to take certification and to setup assembly line in china. -praveen

$700 USD in 25 days
(0 Reviews)

2 final year Electrical Engineering students. Very familiar with the project. Check inbox. Thanks, JJEngTech

$600 USD in 25 days
(0 Reviews)