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
Pagato alla consegna
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]
Rif. progetto: #18151301
Info sul progetto
2 freelance hanno fatto un'offerta media di $156 per questo lavoro
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
Man i can solve your problem .i am electronics engineer and i can deliver it within three days with 100%accuracy.