Design cheap PCB electronics that plays sound

I want to design ultra-cheap PCB, its main function is to play sound stored in some kind of cheap memory. It can also receive commands from a RF remote controller.

- Price of all electronic components, including the speaker and RF sensor should be less than 3 USD

- The sound played by the speaker must be loud, around 85-90 dB with reasonable sound quality

- Flash memory storing sound data must have capacity at least 2MB (mega bytes)

- Must have some form of ISP so that I can program the microcontroller and the flash memory containing the sound data.

- Microcontroller will be able to receive data from a RF receiver (the played sound will be selected by pressing a button on a RF remote controller).

- PCB will be powered by AA batteries

- PCB will have power ON / OFF switch

- PCB will also contain small cheap LED programmable by the microcontroller, to test functionality.

- Software development will be done by me, you provide steps how can the program and sound data be uploaded to the board.

- PCB should not be larger than 5x10 cm (ideally as small as possible)

Evner: Kredsløbs Design, Elektronik, Microcontroller, PCB Layout

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Om arbejdsgiveren:
( 2 bedømmelser ) Plzen, Czech Republic

Projekt ID: #19851546

Tildelt til:


I have a lot of experience with STM32 microcontrollers and could do this tasks within 3 days. Full PCB design files can be provided in KiCAD and Gerber format. I can also advise on software if required.

€166 EUR in 3 dage
(0 bedømmelser)

18 freelancere byder i gennemsnit €197 på dette job


Hello sir, I have experience in designing electronics circuits and can develop hardware compatible smartphone and PC based apps. I also have done a lot of IoT projects and can transform your idea into a fully working Flere

€200 EUR in 15 dage
(35 bedømmelser)

Hi, I am an electrical and electronics with wide range of experience from designing PCB to integrating motors. I also teach students regarding PCB and electronics at University of Melbourne. Hence I believe I would b Flere

€220 EUR in 7 dage
(1 bedømmelse)

Hello, My name is Andrei, i am a Romanian IOT Developer with a lot of experience in IOT projects and automatics . I have read your requirements , i have just a question about the frequency who you want to use , wi Flere

€250 EUR in 7 dage
(15 bedømmelser)

I am a BEng. Electrical and Electronics Engineer with 3.66/4.00 GPA and 5 years of experience in field living in Cyprus. I am specialized in: -Circuit Analysis & Design (NI Multisim) -PCB design (EAGLE, Protheus, KiC Flere

€111 EUR in 2 dage
(7 bedømmelser)

hi i am interested to do your project. i can satisfy your [login to view URL] would be my pleasure to serve you. i can design it with the BOM of less than 3 USD.

€250 EUR in 7 dage
(8 bedømmelser)

Hi there, We can design a PCB with sound play functionality. It can also receive commands from RF remote controller. We came across with you requirements in details. Please come for the interview. We are a professiona Flere

€250 EUR in 7 dage
(3 bedømmelser)

Dear Sir, I am an experienced embedded system developer. I can design a perfect hardware device for your project. Best Wishes

€140 EUR in 5 dage
(5 bedømmelser)

Hi. I'm an electronic engineering student from Argentina. I've been working in freelancer.com for more than two years, and I've completed more than a 15 projects, all with good recommendations, you can check my profile Flere

€200 EUR in 20 dage
(11 bedømmelser)

Hello I am an Electrical Engineer did MS in Electrical Engineering (Control System) as well. I have 4 years of Experience as well, also have 11 IEEE conference publications and 3 Journals with good impact factor. My Flere

€180 EUR in 7 dage
(2 bedømmelser)

I am an Embedded systems designer.I have worked with different micro controllers and I have strong Knowledge in communication protocols(SPI, UART and I2C) I have worked with AVR atmega chips and ARM Tiva C launchpad . Flere

€160 EUR in 12 dage
(5 bedømmelser)

Hello! I am very interested in your project. I am really looking for this kind of project for a long time in freelancer since i have rich experience on it. I think this project is very suitable for me and i am sure Flere

€222 EUR in 3 dage
(1 bedømmelse)

Hi, I have 7 years experience on PCB design. I can help you on this project as well. Hope will work with you on this project.

€222 EUR in 5 dage
(3 bedømmelser)

Hi, I am a embedded based circuit designer, having 4 years experience with circuit design and pcb design.

€133 EUR in 3 dage
(0 bedømmelser)

hi, i'm electronic engineer with work experiences as software and hardware engineer in a auomotive company. i'm experct in designing and realizing electronic systems i do circuit design ,test and simulation of circ Flere

€250 EUR in 7 dage
(1 bedømmelse)

I have a solution. You can use a chip called ESP32 to solve your problem perfectly. All aspects can meet your requirements.

€250 EUR in 10 dage
(0 bedømmelser)

dear sir, i am electronics engineer ,i can design a PCB for you which will fulfill all your requirements . thanks tahir

€250 EUR in 7 dage
(1 bedømmelse)

I am an Electronics Engineer & I have worked on many Embedded systems projects based on different microcontrollers. One of my projects had functionality very similar to what you need. I have good experience in this kin Flere

€100 EUR in 10 dage
(0 bedømmelser)