
Awarded
Posted
Paid on delivery
I HAVE 10 ACRYLIC PLANET WITH SUN INSTALLED IN A SCHOOL WALL THERE IS A BUTTON UNDER EACH PLANET AND SUN WHEN A KID PRESSES A BUTTON ON SPECIFIC PLANET MP3 AUDIO SHOULD PLAY DISCRIBEING THAT PLANET, AND THERE IS A LED RING 12V DC ON EACH PLANET THAT SHOULD BLINK WHEN THE AUDIO PLAYS I HAVE A DF MINI AND A NANO CH340, I CAN UPGRADE THE HARDWARE IF REQUIRED
Project ID: 40185507
7 proposals
Remote project
Active 8 hours ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
7 freelancers are bidding on average ₹3,229 INR for this job

Hello. I have taught children robotics for 4 years and I have a World Map Puzzle product using the same theme. What needs to be done is very simple. If you are going to do the cable connections etc., the software work will take a maximum of 30 minutes. However, Arduino Nano can only support 9 output pins with the MP3 player. If you want, we can talk about the details via PM.
₹600 INR in 1 day
3.8
3.8

Hi, I can help you design and document this project clearly and in simple wording. I will prepare a short technical report explaining how the system works, where each acrylic planet and the sun has a button that plays an MP3 description and blinks a 12V DC LED ring at the same time. Using Arduino Nano and DF Mini, I will explain the button inputs, audio playback, LED control, power requirements, and basic validation/testing to ensure everything works safely and reliably in a school environment. I can also suggest hardware upgrades if needed to improve performance, safety, or durability.
₹1,450 INR in 3 days
3.2
3.2

As an experienced Embedded Systems and Electrical & Electronics Engineer, I am confident I can provide the solution you need for your Arduino Solar MP3 Player project. With a deep understanding of microcontrollers such as Arduino, I am well-versed in circuit design, sensor integration, as well as automation systems and hardware debugging. Specifically, I have ample experience with the DF Mini and Nano CH340, suggesting my affinity for developing audio solutions like the one you're aiming for. Moreover, my proficiency extends to software engineering - a skill that could enhance this project greatly. My competency in Python lends itself to state-of-the-art AI applications which by extension means automated responses based on specific input conditions can be crafted for your planets' MP3 audio players. This would enable a more elegant and smoother operation. Lastly, as a dedicated engineer with keen attention to detail, your LED ring needs will be met without question. I have successfully designed LED-integrated projects many times before and am comfortable upgrading your current hardware configuration to meet this requirement if necessary. Given my broad range of skills and unwavering commitment to provide high-quality solutions, engaging me would be akin to hiring an entire team of experts with the focus on you. Let's augment your school wall project together!
₹1,500 INR in 7 days
2.9
2.9

Hello, I have hands-on experience with Arduino Nano and DFPlayer Mini–based MP3 audio projects. I understand your requirement clearly: each planet and the sun will have a dedicated button, and when pressed, the corresponding MP3 audio will play while the 12V LED ring blinks during playback. I will provide complete Arduino Nano code with proper button handling, DFPlayer Mini control, and LED ring triggering logic. The solution will be reliable for school use and easy to modify later if you add or change audio files. I will also guide you on wiring connections, power requirements (including 12V LED control using relay or transistor), and DFPlayer MP3 file structure. If required, I can suggest hardware upgrades or optimizations for smooth operation. Deliverables include tested code, wiring explanation, and basic troubleshooting support.
₹1,050 INR in 3 days
0.0
0.0

Mumbai, India
Member since Jan 28, 2026
₹600-1500 INR
₹600-1500 INR
$2-8 USD / hour
$30-250 USD
₹75000-150000 INR
₹1500-12500 INR
$3000-5000 USD
$750-1500 USD
₹1500-12500 INR
₹1500-12500 INR
$30-250 USD
$250-750 USD
₹1500-12500 INR
£20-250 GBP
₹1500-12500 INR
$30-250 USD
₹1500-12500 INR
$10-30 AUD
₹12500-37500 INR
$15-25 USD / hour