Making Power Regulator Circuit for Arduino Using Landline Power.

I have finished an arduino project that is connected to a landline phone. I'm currently trying to turn it into a standalone product that can run using the landline's power.

What I need:

1- A solution to power the arduino UNO microcontroller using the landline power.

2- The landline telephone must be usable alongside this arrangement.

3- I'm using a caller ID IC as a part of my arduino project, so I don't want to have a conflict between the two circuits and their use of the ring/tip electricity. Look up HT9032C datasheet to see how it works.

The following are the landline's current/voltage measurements where I am: 25mA/55V. Using this electricity directly results in having the landline busy. Based on my experiments, we need at least a 15k resistance between the wall wires (ring/tip) and the circuit so that the line is not busy. This results in giving us only 3mA/55V to work with.

Skills: Arduino, Electrical Engineering, Electronics, Product Design

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About the Employer:
( 3 reviews ) Abu Dhabi, United Arab Emirates

Project ID: #11771576

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Thank you for reading this proposal . I'am an Electronics Engineer with professional experience of designing embedded systems with the process starting from circuit schematic design , Microcontroller / Microprocesso More

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11 freelancers are bidding on average $154 for this job


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$300 USD in 3 days
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Hi, I hope you are doing well. I have read your project details. I have few questions. Looking Forward, Khawaja

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Hello, I have worked on this problem before with an emergency elevator autodialer (Have a patent on it). While what you want is very possible, you need to realize that not all phone lines use the same power nor make More

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