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The goal is to create an inexpensive, child-safe handheld that lets 7- to 9-year-olds ask “What does ____ mean?” by speaking or typing, then hear and read a short, age-appropriate definition. I already have the general concept—plastic-screen enclosure, simple UI, and on-device dictionary dataset—but I need an end-to-end working prototype. Core functions • Dual input: a small membrane keyboard or touch keypad for typing plus a noise-tolerant microphone for voice commands. • Dual output: the answer scrolls across the plastic screen while a tiny speaker reads it aloud in clear, child-friendly language. • Local processing preferred (Raspberry Pi Zero, ESP32, or similar) to keep costs low and avoid connectivity dependencies, yet Wi-Fi or BLE firmware updates are a bonus. • Rugged, screw-together housing that can survive backpack drops; 3-D printable STL files are fine. • Power via rechargeable Li-ion or AA cells with simple USB-C charging. Deliverables 1. Fully assembled, tested prototype showing the above workflow. 2. All source files: hardware schematics, PCB Gerbers (if used), STL/STEP enclosure, and well-commented firmware. 3. Bill of materials with vendor links and per-unit cost estimates aimed at a low-volume run. 4. Video or live demo proving voice and typing inputs both return synced audio-text explanations. Acceptance will be based on reliable recognition of at least 200 common vocabulary words, audible clarity in a noisy room, and smooth scrolling text on a daylight-readable screen. I’m ready to iterate quickly and can flash firmware or print enclosures on my side if you prefer to focus on electronics and code.
Projektin tunnus (ID): 40166860
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9 freelancerit tarjoavat keskimäärin ₹35 673 INR tätä projektia

Hello, I’m Abbas Jawadwala, representing SMB ElectroTech—a specialized electronic product development company with 5+ years of experience delivering production-ready electronics solutions, not just prototypes. Unlike most bids here, we operate as a dedicated engineering team, supporting clients across: Electronics Hardware & PCBs (up to 32 layers) Embedded firmware & RTOS development IoT, cyber-physical systems & smart devices Review, Diagnostics and troubleshooting Our designs are built with manufacturing, reliability, and scalability in mind—backed by collaborations with global component manufacturers. To understand the quality of work we deliver, I recommend reviewing our Freelancer profile and the projects we’ve completed. If this aligns with what you’re looking for, please click the blue “Chat” button to start the conversation—I’d be happy to discuss your project in detail. Best regards, Abbas Jawadwala SMB ElectroTech
₹25 000 INR 7 päivässä
5,9
5,9

Hi Greetings.. I am interested to work on your project. Please discuss product details and features. Looking forward to work with you. Thank you Shivkant
₹25 000 INR 30 päivässä
4,7
4,7

With my solid background in Arduino, Electronics, Embedded Systems, and Raspberry Pi, I am the ideal fit for your ''Kid-Friendly Dictionary Device Prototype'' project. My five-plus years of experience span through numerous high-impact web, mobile, and IoT development projects from concept to deployment. I've even during this tenure worked on similar educational devices before - merging hardware and software perfectly; a great feat I can deliver on your project. My intimate knowledge of electronics, especially with Arduino, ESP32/8266, and Raspberry Pi platforms will be beneficial in ensuring accurate data recognition - guaranteeing you an impressive recognition of at least 200 common vocabulary words. Moreover, as local processing is crucial for cost-effectiveness and avoiding connectivity dependencies, my dexterity in managing Raspberry Pi Zero or similar devices will ensure optimal performance of your device. Additionally, my skills extend beyond prototyping to comprehensive project deliverables management — from hardware schematics to PCB Gerbers to enclosure design (STEP/STL), firmware and bill of materials. As proof of concept accomplishments is essential to you, my delivered fully assembled tested prototype will not only show dual inputs and outputs featuring both voice command and typing but also prove the intuition behind the voice-to-text descriptions embedding technology. Partner with me today for top-of-the-line and guaranteed satisfactory service
₹140 000 INR 45 päivässä
3,9
3,9

With my proficiency in Electronics, PCB Layout, and Product Design, I am confident in turning your vision of a Kid-Friendly Dictionary Device Prototype into a tangible reality. I have extensive experience in hardware engineering, utilizing Raspberry Pi Zero and similar technologies to create low-cost, self-sufficient devices- just like you envision. Moreover, I am well-versed with local processing models that eliminate connectivity dependencies and opens doors for future firmware updates, ensuring longevity of the product. Best Regards Harvinder
₹15 555 INR 2 päivässä
4,5
4,5

Hi, I can help you to make child-safe working prototype from electronics and firmware to enclosure design. I have experience building low-cost embedded devices that combine voice input, simple keyboards, local data processing, and audio/visual output, with a strong focus on reliability and safety. I can select and integrate the right MCU or SBC, implement offline speech and dictionary lookup, design power efficient charging and battery management. The end result will be an affordable, durable handheld device that works smoothly without internet dependency. Looking forward to working with you on this project.
₹35 000 INR 7 päivässä
1,1
1,1

I can design the entire system end-to-end, not just one layer Your requirements touch five domains at once: • Embedded hardware (MCU/SBC choice, audio, power) • Embedded firmware (drivers, UI loop, power management) • On-device speech + text processing • Child-appropriate UX/content constraints • Low-cost manufacturable design I regularly work across these boundaries, which matters because this device fails if any one layer is weak (e.g., good dictionary but bad mic gain, or good firmware but unreadable screen). I won’t hand you “half a prototype” that needs another specialist to finish.I can design the entire system end-to-end, not just one layer Your requirements touch five domains at once: • Embedded hardware (MCU/SBC choice, audio, power) • Embedded firmware (drivers, UI loop, power management) • On-device speech + text processing • Child-appropriate UX/content constraints • Low-cost manufacturable design I regularly work across these boundaries, which matters because this device fails if any one layer is weak (e.g., good dictionary but bad mic gain, or good firmware but unreadable screen). I won’t hand you “half a prototype” that needs another specialist to finish.
₹25 000 INR 7 päivässä
0,0
0,0

Hi, I understand your requirement clearly: when a child asks “What does ___ mean?”, the system should respond with a simple, friendly, kid-appropriate explanation, not a complex dictionary definition. I’m an Electronics & Communication Engineering graduate with hands-on experience in building voice-based and embedded systems. I have worked extensively with ESP8266, ESP32, and other controllers, and I also hold a patent, which reflects my ability to design reliable and original solutions. For this project, I can: Accurately detect and process the child’s spoken question Extract the word to be explained Generate safe, age-appropriate, easy-to-understand meanings Deliver the response in a clear and friendly voice tone suitable for kids I focus strongly on simplicity, child safety, and smooth user experience, which are critical for kid-focused products. The solution can be implemented on embedded hardware or integrated with a software/app-based system, depending on your needs. I communicate clearly, deliver structured solutions, and am open to feedback to fine-tune the learning experience for children. I’d be happy to discuss the target age group, platform preference, and voice style. Best regards, Vashishtha
₹12 500 INR 7 päivässä
0,0
0,0

Agra, India
Maksutapa vahvistettu
Liittynyt tammik. 21, 2026
$250-750 USD
€250-750 EUR
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₹2000-10000 INR
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€1500-3000 EUR
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$10-30 USD
$250-750 AUD
€750-1500 EUR
€250-750 EUR
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$1500-3000 USD
₹30000-100000 INR
₹1500-12500 INR
$30-250 USD
$30-250 USD
₹12500-37500 INR