In Progress

IOT Sensor node HW and SW test program

Hello freelancers,

Its needed to design a sensor node that its used to get the weight(as a bathroom weight scale up to 200kg and a resolution of 50 grams), temperature/pressure/humidity and location then transmit the data via the Lora module.

This HW shall run on battery, so overall its requires a low power consumption.

The transmission range shall be up to 10KM(~6 miles).

To complete the project its required to deliver HW(schematic, Gerber files and two prototypes) and a minimal SW that test the functionality.

For more details we can use the chat.

Please put the right price for the project despite the estimated range.

The time its our allay! -> you will have plenty of time to make it, of course a thigh time plan shall be even better.

Quality its a must! -> the HW design must be as good as it can be and a previews experience with LORA, GPS, load cells and low power uC its needed.

Late edit:

All the bidder shall receive a mini-task, in consist in a doc file with two points:

-to make an estimation

-and to make a proposal



Skills: PCB Layout, Electronics, Circuit Design, Microcontroller, Embedded Software

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About the Employer:
( 1 review ) Timisoara, Romania

Project ID: #26391296

Awarded to:


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 More

€800 EUR in 30 days
(53 Reviews)

49 freelancers are bidding on average €650 for this job


Hi I am experienced electronics engineer with more than 15 years of experience. I have read the details and would like to discuss a little as I have a few questions. Please get in touch to discuss it further Regards

€500 EUR in 7 days
(239 Reviews)

Dear sir I have more than 10 years experience in embedded systems design, I can provide the schematic, components and programming for your required IOT device, please message me so that we can discuss more details Best More

€700 EUR in 15 days
(240 Reviews)
(47 Reviews)

Hi Sir, I have read your requirements of weight scale and lora module. I can perfectly design you the hardware , prototype it and can even help you with server level deployment. We are a team called TURKTRONICS h More

€400 EUR in 10 days
(48 Reviews)

I have over 35 years experience as an electronic design engineer, please see my profile for more details. The current price and timescales are only place holders to allow me to communicate with you I would prefer to w More

€800 EUR in 20 days
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Dear Sir, I am an expert with more than 20 years of experience in Firmware development, Programming, Prototyping and PCB Layouts. I have developed several products in the past related to sensors and wireless da More

€500 EUR in 30 days
(66 Reviews)

Best PCB Design Expert at your doorstep! Dear Client, I couldn’t stop myself from bidding after going through the description as they are an exact match with my skillset and experience. I have experience in LoRa and More

€500 EUR in 2 days
(8 Reviews)
(18 Reviews)

Hello Sir. I have made the similar product before. I have developed LoRa, low power management, weighting scale sensors, and so on using STM32F103 and F429. Especially I have necessary boards. I suggest the following More

€1000 EUR in 20 days
(5 Reviews)

Dear Client, I have read and understood your requirements and could do it for you in the least time and utmost superior quality. I am having more than 15 years of experience in PCB Design, Circuit Design, Circuit sim More

€500 EUR in 2 days
(1 Review)

Hi, I have read your project description carefully, and I am very confident about your project. I have good experience with stm32 chip and sensor programming. If you give me a chance to interview, I'll show my previous More

€500 EUR in 7 days
(6 Reviews)

TAGS: LORA STM32 JTAG MEMS SENSORS Hi, I read your description carefully. I confirm I can satisfy you enough with my skills. I have rich experience in Schematic&PCB design and Firmware using stm32 family. I have done m More

€300 EUR in 8 days
(2 Reviews)

Hello dear project owner. Thank you for posting that project. You can read about me below. About your project–I am doing schematic, PCB and SW\FW design every day (I design and make industrial electronic equipment – Ul More

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(18 Reviews)

Dear Client. I have just read your job description and your project is really interesting to me. I have many experiences working for 7+ years with Circuit design, PCB design, manufacturing functional prototyping with f More

€500 EUR in 3 days
(8 Reviews)

Hello! 3 years of experience with Lora. Overall 7 years of experience working on embedded system. Sincerely, Bhavin

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We are a team of Electrical and Electronics engineers and we are Excellent in the following areas: • PCB Designing-Proteus, Eagle. • Python • Embedded C Programming. • VHDL/Verilog • Microcontroller like Arduino, R More

€250 EUR in 7 days
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Thanks for your invitation I checked your description, and I'm sure I can finish this project successfully. I have 20 years experience working as an Firmware engineer. Especially, I had developed many products usin More

€1340 EUR in 18 days
(3 Reviews)