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Telephone Line On-hook voltage to power supply a PCB and Telephone and work with Goertzel DTMF detect in esp32 and arduino

$10-30 USD

Closed

Posted

over 5 years ago

$10-30 USD

Paid on delivery

Hi, I need a Freelance Electronic Engineer to solve this issue:[login to view URL] llook mainly at the [login to view URL] and [login to view URL] (phone access and delete and to this (videos) [login to view URL]

Electrical Engineering

Microcontroller

Project ID: 18151301

About the project

2 proposals

Remote project

Active 5 yrs ago

Looking to make some money?

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2 freelancers are bidding on average $156 USD for this job

Flag of TUNISIA

Hello Dear You want an electronic circuit that inject 48 volt over line, we can discuss this project I have good experience with electronic and harware design best regards Aymen

$277 USD in 7 days

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Flag of PAKISTAN

Man i can solve your problem .i am electronics engineer and i can deliver it within three days with 100%accuracy.

$35 USD in 3 days

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About the client

santos, Brazil

5.0

2

Payment method verified

Member since Dec 14, 2009

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