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AFSK Modem for Arduino

I want to use audio signals to send data from one Arduino unit to another.

The transmitting unit will have many other functions to perform on top of encoding and generating the audio signal. The audio signal will be produced by a piezo speaker.

The receiving unit will have the sole function of decoding the signal and reproducing the data (e.g. printing to serial monitor), so I am happy to use the microcontroller to do the work, as opposed to external tone decoders. This will also allow me to re-program the frequencies and experiment with different frequency ranges without having to modify hardware.

I am using a condenser microphone operating on 2-9V, so want to power this from 3.3V/5V/Vin.

The typical data will be 16-32 bytes in length. I would like the data to include a pre-amble so that the receiver knows where the data is coming from (e.g. a device UUID). Other methods to increase the reliability/robustness of the data transfer (e.g. checksums etc) are desirable also.

Project deliverables are:

- Completed (and commented) code for the transmitter and receiver units, along with required libraries

- Electrical schematic for the circuits (not Fritzing)

Kemahiran: Arduino, Pengaturcaraan C, Reka Bentuk Litar, Kejuruteraan Elektrik, Elektronik

Lihat lagi: programming arduino in c, audio transmitter and receiver, arduino c programming, afsk modem software, afsk modem, afsk software modem, software modem afsk, modem afsk, software afsk modem mac, need someone knows photoshop, php using include import variables, include psd files asp pages, call modem

Tentang Majikan:
( 5 ulasan ) Kamloops, Canada

ID Projek: #10118964

8 pekerja bebas membida secara purata $527 untuk pekerjaan ini


hi sir I am an expert electrical engineer with almost 7 years of experience in this field. Please have a look at my profile I assure you quality work and on time delivery please give me a chance to prove myself. R Lagi

$1200 CAD dalam 30 hari
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Hello, I am Anthony. I am working FULL TIME as freelancer. I have double degrees in Mechatronics and Applied Science fields. I have very good feedbacks on . Please check the lin Lagi

$250 CAD dalam 3 hari
(48 Ulasan)

Dear Hiring Manager, I'm a professional electrical engineer and mobile app developer (that interact with electronics hardware), and I have completed more than 200 projects for local and international clients. I've a Lagi

$1000 CAD dalam 30 hari
(48 Ulasan)

Hi, I have experience in Arduino developing. I can do your project in "human" or ultrasonic frequencies range. Your project is similar to IR remote control data transmission. I can do your project

$500 CAD dalam 15 hari
(21 Ulasan)
$450 CAD dalam 10 hari
(11 Ulasan)

Hello Sir, I read your post and understand the detail as it is communication project with Arduino. In short, you need transceiver along with electrical schematic to send data from one Arduino unit to [login to view URL] work Lagi

$370 CAD dalam 8 hari
(8 Ulasan)

electronics and communication engineering student. can do that.

$222 CAD dalam 8 hari
(0 Ulasan)

Hi, I am an electronics engineer with extensive professional experience (7.5 years) in designing complex systems. I have been using the Arduino for multiple hobby projects and some industrial projects.

$222 CAD dalam 5 hari
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