i need help on how to build an interface unit to an already existing electricitymeter

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bonasah

New Member

• Nov 1, 2007

• #1

please i need help on how to build an already exist electricity meter using a microcontroller
i really need help on how to use the microcontroller and which type of microcontroller to use
thank you

 

B

bonasah

New Member

• Nov 1, 2007

• #2

please i need help on how to build an already exist electricity meter using a microcontroller
i really need help on how to use the microcontroller and which type of microcontroller to use
thank you

 

M

mneary

New Member

• Nov 1, 2007

• #3

Posting every seven minutes won't expedite your answer.

In your other thread you wanted it to look like a prepaid meter. Excuse my cynical mind but the only purpose I could think of involves fraud.

 

HiTech

Well-Known Member

• Nov 1, 2007

• #4

The meters of that type in the USA have tamper-resistant measures on them to prevent fraud.

 

RODALCO

Well-Known Member

• Nov 3, 2007

• #5

Build an opto led / infra red transistor which can read or scan the marks on the disc from the meter, through the meterglass.

Do not tamper with the meter which can incur a stiff penalty by the utility company !

The impulses can be counted and put into a counter or database.
The revs / kWh are usually marked on the meter nameplate.

eg 240 rev / kWh

 

Nigel Goodwin

Super Moderator

Most Helpful Member

• Nov 4, 2007

• #6

RODALCO said:

Build an opto led / infra red transistor which can read or scan the marks on the disc from the meter, through the meterglass.

Click to expand...

Bit tricky on my LCD electricity meter?

 

Marks256

New Member

• Nov 4, 2007

• #7

Duct Tape a webcam to the glass. Then write some software to read it. Really easy.

 

RODALCO

Well-Known Member

• Nov 4, 2007

• #8

The LCD meter may have a impulse LED from which you should be able to pick up an impulse with a bit of luck, otherwise put a private checkmeter in series with the POCO supply meter.

 

Hero999

Banned

• Nov 5, 2007

• #9

You'd also need illumination, which could just be another LED that flashes on which you want to take the reading.