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

Closed Posted 5 years ago Paid on delivery

$10-30 USD

Paid on delivery

Closed 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]

Arduino Electrical Engineering Electronics Microcontroller PCB Layout

Project ID: #18151301

About the project

2 proposals Remote project Active 5 years ago

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2 freelancers are bidding on average $156 for this job

aymos's Profile Picture
aymos

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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Tahir9625's Profile Picture
Tahir9625

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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