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Design of random frequency modulation device

I need a design of a device that is able to generate random frequency in a setted range (for example 50Hz - 200KHz). This device should be connected to a piezo or a vibromotor. An amplifier needs to increase or decrease the intensity of the vibration. With an User Interface is possible to setup the parameters (frequency + intensity).

Please note: I need only schematic and PCB design.

Kĩ năng: Arduino, Điện tử, Vi điều khiển, Thiết kế vi mạch

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Về Bên Thuê:
( 19 nhận xét ) Vipava, Italy

ID dự án: #20943089

Được trao cho:


I am a teacher assistant at electronics and communication department. I did many projects in analog and digital circuit design and implemented PCB layout(see my portofolio). These are some examples of my projects: - no Thêm

€50 EUR trong 5 ngày
(3 Đánh Giá)

17 freelancer đang chào giá trung bình €155 cho công việc này


Hello I have got your job posting “Design of random frequency modulation device” and I am very much interested to work in your project. I am a circuit designer and have more than 5 years experience of working with Thêm

€150 EUR trong 7 ngày
(41 Nhận xét)

Hello. I think your device include microcontroller and LTC6904,display and button etc. LTC6904 is variable frequency generator IC. Regards.

€170 EUR trong 7 ngày
(36 Nhận xét)

Hello! I read your project carefully and confirmed it's a suitable one for me. I have been working as firmware and hardware designer for 9+ years. I have wonderful experiences with various frequency generator, user in Thêm

€160 EUR trong 7 ngày
(9 Nhận xét)

hello, thanks for your posting i am Smith Enes with rich experience in Electronics, specially Arduino (i have a Arduino kit). The main point in your project is to generate the PWM and design Amplifier. I have also much Thêm

€200 EUR trong 5 ngày
(4 Nhận xét)

Dear, Client. I would like to say this is my fortune to show you my hardware skills. I can bring your idea to live and you can reach the goal absolutely with me. I have 10+ years experience in hardware design (schem Thêm

€180 EUR trong 2 ngày
(11 Nhận xét)

Hello. I am senior Microcontroller developer and Electronic Engineer. I have plenty of experience in the PWM Controller device development. I can design the circuit and PCB for the controller used the MCU such as PIC , Thêm

€200 EUR trong 10 ngày
(1 Nhận xét)

Hi. I can develop your project. I took a couple of hours to make a quick design. For the user interface where the intensity and frequency will be set, an oled screen and 3 buttons could be added. I can make a video wit Thêm

€80 EUR trong 1 ngày
(2 Nhận xét)

Hi. I've somehow done this project before and it worked perfectly I'm looking forward to talk with you about the details

€180 EUR trong 5 ngày
(1 Nhận xét)

Salve, ho letto la descrizione del suo progetto e sono molto interessata a lavorare per lei. Mi chiamo Victoria e sono una studentessa di ingegneria elettronica, con esperienza in Progettazione di Sistemi Elettrici ed Thêm

€166 EUR trong 4 ngày
(1 Nhận xét)

Hello. I've read carefully your requirement and have seen files. I'm working on elecronics engineering, especially in embedded system like controlling microcontroller. I have been working with circuit sketch and PCB d Thêm

€150 EUR trong 5 ngày
(2 Nhận xét)

I have worked over arduno and pcb. I also have experience of eagle . I will do my best to do quality work. if you think I am well suit for this work then you can contact me as soon as you want

€55 EUR trong 15 ngày
(0 Nhận xét)

hello sir. I can create this project within the time limit and deliver this project as soon as possible.

€140 EUR trong 5 ngày
(0 Nhận xét)

Insect repeller circuit that we have designed before have the same design... Audible to ultrasonic range is possible... Then it's amplified... But amplitude was constant... Let's make it variable... That s easy... Are Thêm

€150 EUR trong 7 ngày
(1 Nhận xét)

R & D and technical lead having more than fifteen years of experience in designing. Relevant Skills and Experience [login to view URL]

€155 EUR trong 3 ngày
(0 Nhận xét)

I am a retired electronic circuit designer. One of my projects was a generator for ultrasonic bonding for the tiny wires in integrated circuits. The generator was used in the span of 40 to 250 kHz. This generator was c Thêm

€200 EUR trong 14 ngày
(0 Nhận xét)

Hello,your Project is suitable for me if you interest we can talk more details of the Project. We have similar project of threse required module

€255 EUR trong 10 ngày
(0 Nhận xét)