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Namaste, mujhe ek Low-Cost Wireless Audio Receiver/Box Prototype banwana hai. Main pehle ek chhota working prototype banwakar uski testing karna chahta hoon. Agar prototype sahi tarike se kaam karta hai, to aage isi design ke bahut saare units banwane hain. 1. Hamara Basic Concept Hum ek aisa chhota aur kam lagat wala wireless receiver box/module banana chahte hain, jo ek main transmitter/master unit se wireless audio signal receive kare aur us signal ko speaker/amplifier tak pahunchaye. Hamara uddeshya hai ki gharon, dukaanon aur anya locations par lage chhote speaker boxes ko har jagah alag se internet/Wi-Fi se connect karne ki zarurat na pade. Main system kuch is tarah rahega: Main/Master Unit → Wireless Signal → Receiver Box → Amplifier/Speaker Isi concept par humein system develop karna hai. 2. Abhi Humein Kya Banana Hai? Abhi humein poora commercial product nahi banana hai. Pehle sirf 1 chhota working prototype banana hai, jisse hum ye verify kar saken ki: 1. Wireless signal reliably receive ho raha hai ya nahi. 2. Audio ki awaaz clear aa rahi hai ya nahi. 3. Receiver aur transmitter ke beech kitni practical range milti hai. 4. Signal mein delay kitna hai. 5. Ek receiver ko speaker/amplifier ke saath properly chalaya ja sakta hai ya nahi. 6. Device lagatar kai ghante chalane par stable rehta hai ya nahi. 7. Power consumption kitna hai. 8. Prototype ki estimated per-unit cost kitni aa sakti hai. 3. Prototype ka Size Hum chahte hain ki receiver ka PCB/module chhota ho aur baad mein ise ek compact plastic enclosure/box ke andar lagaya ja sake. Pehle prototype mein beautiful casing zaroori nahi hai. Pehle hamara focus hai: Working + Reliable + Low Cost 4. Components Aap apni technical knowledge ke according sabse suitable aur economical components suggest karein. Humein unnecessarily expensive components nahi lagane hain. Prototype mein requirement ke according ye components ho sakte hain: - Wireless receiver module - Microcontroller, agar zaroori ho - Audio decoder/DAC, agar zaroori ho - Audio amplifier ya amplifier interface - Power supply/power regulation - Antenna - Speaker output - Volume/control section, agar zaroori ho - PCB - Connectors - Indicator LED - Anya required protection components Lekin final component selection aap technical requirement ko dekhkar karein. Hum chahte hain ki jahan possible ho, wahan ready-made reliable modules/ICs ka use karke pehla prototype banaya jaye, taaki development time aur cost dono kam rahein. 5. Sabse Important Requirement — LOW COST Ye project low-cost mass production ko dhyan mein rakhkar banana hai. Hum abhi prototype par bahut zyada paisa kharch nahi karna chahte. Pehle humein minimum possible cost mein ek working prototype chahiye. Lekin future mein humein is device ke bahut saare units banwane hain. Isliye prototype banate samay hi aise components aur architecture choose karna achha rahega jinki bulk quantity mein price kam ho aur supply easily available ho. Matlab: Prototype Cost kam + Future Bulk Cost bhi kam 6. Aapka Kaam Sirf PCB Jodna Nahi Hai Hum chahte hain ki aap humein technical guidance bhi dein. Aap humein batayein: - Kaunsi wireless technology/protocol hamare project ke liye suitable rahegi? - Kaunsa receiver module achha rahega? - Kaunsa amplifier solution lena chahiye? - Realistically kitni range mil sakti hai? - Ek master/transmitter ke saath kitne receivers chal sakte hain? - Audio quality kaisi milegi? - Audio delay kitna hoga? - Power supply kis type ki rakhni chahiye? - PCB kis tarah design karna chahiye? - Future mein manufacturing cost kaise kam ki ja sakti hai? 7. Prototype Testing Prototype banne ke baad hum practical testing karenge. Test 1: Transmitter se audio bhejna. Test 2: Receiver box mein signal receive karna. Test 3: Receiver ko amplifier/speaker se connect karna. Test 4: Alag-alag distance par test karna. Test 5: Wall/room ke andar signal test karna. Test 6: Kai ghante continuously chalana. Test 7: Audio quality aur delay check karna. Test 8: Power consumption check karna. Agar prototype in tests mein successful rehta hai, tabhi hum next stage par jayenge. 8. Prototype ke Baad Doosra Stage Agar pehla prototype successful raha to humein: 1. PCB ko aur chhota karna hai. 2. Components ko optimize karna hai. 3. Cost ko reduce karna hai. 4. Enclosure/box design karna hai. 5. Final connection ports decide karne hain. 6. Manufacturing-friendly PCB banana hai. 7. Kuch additional prototype units banakar field testing karni hai. Iske baad hum bulk production ki taraf jayenge. 9. Bulk Production Hamara long-term goal bahut saare receiver units banwana hai. Isliye main chahta hoon ki jis technician/engineer ke saath main prototype banwaunga, agar uska kaam achha rehta hai aur cost reasonable rehti hai, to future mein PCB assembly aur production bhi usi ke saath karne ki possibility rahe. Isliye shuruaat mein humein aisa design chahiye jise baad mein easily hundreds ya thousands of units tak scale kiya ja sake. 10. Mujhe Aapse Quotation Mein Kya Chahiye? Kripya mujhe cost ko alag-alag karke batayein: A. Components Cost Prototype ke sabhi components ki estimated price. B. PCB Cost PCB fabrication ki cost. C. Assembly Cost Components lagane aur soldering/assembly ki cost. D. Programming/Development Cost Agar firmware/software ki zarurat hai to uski development cost. E. Testing Cost Prototype testing aur debugging ki cost. F. Final Prototype Cost Ek complete working prototype ki total estimated cost. Aur agar hum future mein: 10 units / 100 units / 500 units / 1000 units banate hain, to estimated per-unit cost kitni aa sakti hai, iska bhi approximate idea dein. 11. Ek Aur Zaroori Baat Hum abhi shuruaat mein budget bahut kam rakhna chahte hain. Isliye agar kisi component ya technology ka expensive aur low-cost dono solution available hai, to pehle humein low-cost practical option suggest karein. Lekin aisa bhi nahi chahiye ki bahut sasta component lagakar prototype unreliable ho jaye. Hamara target hai: Kam Price + Achhi Reliability + Future Mass Production 12. Humein Final Prototype Mein Kya Chahiye? Prototype aisa hona chahiye ki hum practically ise test kar saken. System ka basic flow: Master/Transmitter ↓ Wireless Transmission ↓ Receiver PCB/Module ↓ Audio Output ↓ Amplifier ↓ Speaker Aur poora system properly aur reliably kaam kare. 13. Shuruaat Kaise Karein? Aap pehle mujhe ye batayein: 1. Is project ke liye aapki recommended technology kya hogi? 2. Kaun-kaun se components/modules chahiye? 3. Pehla prototype banane mein kitne din lagenge? 4. Estimated prototype cost kitni hogi? 5. Agar baad mein 100/500/1000 units banayein to per-unit cost kitni aa sakti hai? 6. Prototype banne ke baad kya aap testing aur debugging mein bhi support karenge? Main pehle sirf ek prototype se shuruaat karna chahta hoon. Agar prototype successful raha, to hum isi project ko bade scale par le jana chahte hain. Sabse important baat ye hai ki hum shuruaat mein zyada paisa kharch nahi karna chahte. Humein minimum possible development cost mein ek working prototype chahiye, lekin design aisa hona chahiye jise baad mein large-scale manufacturing ke liye use kiya ja sake. Agar aapko project technically possible lagta hai, to please pehle mujhe apna recommended solution, components, estimated cost aur development timeline bataiye. Uske baad hum prototype development start kar sakte hain.
Project ID: 40696836
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6 freelancers are bidding on average ₹2,617 INR for this job

Hi, I have experience in designing Circuits and can complete your project. I have expertise in the following: 1- Designing schematic and PCBA 2- Ordering the PCBA and getting boards manufactured. 3- Writing firmware for the PCBA to make sure everything works as expected. 4- I can also develop smartphone apps to communicate and control the hardware. If you wish we can discuss in chat. Thank you.
₹5,000 INR in 7 days
7.2
7.2

Hello, I am Santosh Chaulagain, a professional Electrical Engineer and PCB Designer with over 7 years of experience in schematic design, PCB layout, and embedded systems, including ESP32, IoT devices, analog and digital circuits. I have successfully completed multiple projects for clients worldwide, delivering reliable and manufacturable designs. I have carefully reviewed your project requirements and I am confident that I can provide a high-quality solution tailored to your needs. My expertise includes PCB design using industry standards, component selection, BOM preparation, Gerber generation, and design optimization for cost and performance. I always ensure that my designs are fabrication-ready and tested for reliability. I focus on clear communication, timely delivery, and customer satisfaction. I am happy to discuss your project in detail and provide revisions until the final result meets your expectations. Looking forward to working with you. Best regards, Santosh C. Electrical Engineer | PCB Designer | ESP32 & IoT Specialist
₹4,000 INR in 7 days
3.4
3.4

Hello, I can help you develop the low-cost wireless audio receiver prototype with future mass production in mind. I will first evaluate the most economical wireless technology based on your required range, audio quality, latency, receiver count and power consumption, and select suitable readily available modules/ICs. For the ₹1,500 initial budget, I can provide the technical solution and prototype plan, including: Recommended wireless architecture Receiver/transmitter module selection Audio DAC/amplifier solution Power supply and protection Component/BOM recommendation Compact PCB design approach Estimated prototype cost Estimated future 100/500/1000-unit cost Testing and debugging plan I have experience with embedded systems, ESP32, PCB design, communication interfaces and hardware prototyping, so I can also support the next stage with PCB development, assembly and testing. My priority will be minimum cost + reliable operation + scalability for mass production. I can start with the technical evaluation and recommend the most practical solution for your prototype.
₹1,550 INR in 5 days
0.0
0.0

Hi, I reviewed your wireless audio receiver concept carefully. The project is technically feasible, but the most important first step is selecting the correct wireless architecture based on range, latency, audio quality, number of receivers and future production cost. Before selecting the receiver module or designing the PCB, I would define these requirements and compare practical low-cost wireless solutions. Particular attention should be given to synchronization if multiple receivers will reproduce the same audio simultaneously. My proposed first stage would include system architecture, component selection, estimated prototype BOM, transmitter-to-receiver interface, power architecture and a practical prototype plan. Once this is validated, we can proceed with schematic/PCB development and testing. I can also support the later PCB optimization and manufacturing stage if the prototype performs successfully. To recommend the correct solution, please confirm the required range, mono/stereo audio, acceptable latency, approximate number of receivers per master and whether all receivers need synchronized playback. Best regards, Hamza
₹2,000 INR in 8 days
0.0
0.0

Hello, I’m an Embedded Systems Engineer with hands-on experience in electronics prototyping, microcontrollers, wireless/IoT systems, hardware integration, testing, and debugging. I’ve reviewed your requirement for a **low-cost wireless audio receiver prototype** and can help develop the initial working solution with a focus on **reliability, low cost, and future mass production**. I can help with: • Wireless technology & module selection • Low-cost component selection • Receiver + audio/amplifier integration • Power supply and protection • Range, audio quality, delay & stability testing • Debugging and technical guidance • Future PCB/cost optimization My bid is **₹1,400 for the initial development/support**. I’ll also provide guidance during testing and debugging after the prototype so we can practically validate the design. I’m interested in continuing with the next stage if the prototype is successful.
₹1,400 INR in 7 days
0.0
0.0

Namaste, Main ek Senior Embedded Systems & Wireless Engineer hoon (6+ years experience). Aapka concept maine poori tarah samajh liya hai. Aapko ek "Low-cost, scalable Wireless Audio Receiver" chahiye. Main ye prototype aapko minimum cost aur maximum reliability ke sath develop karke de sakta hoon. Aapke sawalon ke jawab aur mera Technical Solution: 1. Recommended Technology: Sabse low-cost aur reliable option ESP32 Microcontroller rahega. Isme in-built Wi-Fi aur Bluetooth (A2DP protocol) hota hai. Ise hum I2S (Inter-IC Sound) protocol ke zariye connect karenge taaki audio quality ekdam clear (digital) mile. 2. Components Required (For Prototype): Receiver: ESP32 Module (Low cost, readily available). Audio Decoder/Amplifier: MAX98357A (I2S Class-D Mono Amp) - Ye seedha digital signal ko audio mein convert karke speaker ko drive karega. Alag se DAC ki zarurat nahi padegi, jisse cost kam hogi. Power Supply: 5V 1A/2A adapter ya Li-ion battery module. Speaker: 3W ya 5W speaker (testing ke liye). 3. Estimated Cost: 400 - 600 (ESP32 + MAX98357A + Basic PCB/wires) or bulk me 200-300 me aa jaye ga or module ke cost ham jarurte hogi us hisabse aage discussed karege. 4. Timeline:Pehla prototype hardware setup aur programming ke sath 7 to 10 days mein test ke liye ready ho jayega. Main hardware design, code likhne aur testing se lekar future bulk production ki custom PCB design (Altium/KiCad) mein bhi poora support karunga.
₹1,750 INR in 8 days
0.0
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Meerut, India
Member since Sep 7, 2026
₹1500-12500 INR
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₹600-1500 INR
₹750-1250 INR / hour
€2-6 EUR / hour
₹1500-12500 INR
min $50 USD / hour
₹1500-12500 INR
£250-750 GBP
€8-30 EUR
$750-1500 USD
$30-250 USD
₹600-1500 INR
₹1500-12500 INR
€20-100 EUR
$30-250 USD
€30-250 EUR
$10-30 USD
₹1500-12500 INR