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BLE + LORA : PPG / Temp / 9DOF IMU sensors Wearable device

$750-1500 USD

In Progress
Posted almost 3 years ago

$750-1500 USD

Paid on delivery
Wearable health recording device, comprised of a) Motherborad and up to b) 2 daughter boards Requirements: Low power / Bluetooth / small size factor HARDWARE DESIGN MotherBoard ("MB") MCU: LORA ISP4520 from Insight SP based on nRF52x - 1x IMU 9DOF [TBD Bosh / TDK] - Switch on/off button - LED: pairing / on - 1x Analog connector - 2x external antennas connectors - Debug pad Size : 15x25mm Daughterboard ("DB") - 1x Skin Temperature sensor (could be TMP 117) - 1x Max 30102 Maxim Integrated / [see example MAXREFDES117#: Heart-Rate and Pulse-Oximetry Monitor, ] Size : 10x10mm Max30102 and temp sensor can be on a flexible PCB board connected to the Motherboard (MB) Motherboard and Daughter board connected through flat flexible cable, 10cm long, . Power: Lipo battery ~350mHA FIRMWARE DEVELOPMENT DFU - OTA 1. Training Mode (over bluetooth BLE) Initialize Connect to mobile App Run Heart Rate algorithm (to be provided by us) Collect sensor data (temperature, motion, raw sensor data, calculated HR, battery level indicator) 2. Monitoring Mode (over LORA) When in Monitoring mode, send calculated HR et Temp every [1min] over LORA Output file format to be provided by us User select between 1. or 2. using mobile phone App (over BLE). Specs: 5 samples prototype / Seeedstudio, testing and debugging FW PlatformIO HW Design using Eagle
Project ID: 30066003

About the project

9 proposals
Remote project
Active 3 yrs ago

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$0 USD in 1 day
4.8 (83 reviews)
6.6
6.6
9 freelancers are bidding on average $1,833 USD for this job
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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 product. I HAVE ALL THE HARDWARE AVAILABLE TO TEST AND DEBUG THE CODES. If you wish we can discuss details in chat. Thanks
$1,500 USD in 45 days
4.8 (60 reviews)
7.1
7.1
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Hi, Hope you are doing well! Thanks for sharing your project requirement with me. As a highly skilled Software Engineer and Electrical Engineer, I can help you perfectly. I am very confident with my skills and I'd like to help your business by doing my best. My clients have never been frustrated with my work and I hope to make you one of them. Please confirm that I am one of the best fits for you and drop me a message for further discussion. Thanks and Best Regards.
$2,500 USD in 15 days
5.0 (1 review)
4.7
4.7
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Hello, I am an electronics and telecommunication engineer and I am quite experienced with hardware and embedded systems' design. I have designed many PCBs and I am experienced with EMI as well. I have checed your requirements I am quite sure that I can help you with your project. Just give me all the details and I will do my to help you. Best regards
$1,125 USD in 7 days
4.7 (17 reviews)
4.7
4.7
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Hello. I have developed wristband and smartwatch with heartrate, blood oximeter, blood pressure, accelerometer, body temperature and Bluetooth. So I can work this project successful. Especially I am full stack developer who can develop Hardware design, Firmware development, app and web programming. Thanks and Regards.
$1,500 USD in 15 days
4.6 (1 review)
3.7
3.7
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Hello there. I have read your project details and help you.. I have 4 years of PCB experience and 3 years of firmware exerience, so can handle this project.. I can make firmware using keil/IAR/Visual Studio.. Hope more discuss through chat.. Regards//
$1,500 USD in 10 days
0.0 (0 reviews)
0.0
0.0
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Hi I am an electronics engineer familiar with circuit design, microcontroller and C programming. In previous works I have developed the power monitoring firmware using stm32F407 and ESP32. Also I have some experience developing nRF52840 for NFC tag and IMU9050, 6050, 3050. Besides, I have some knowledge in arduino, RPI, stm32 series, STM32CubeMx and Keil. So I think, my experience and skills will be helpful for your projects. Looking forward to hearing from you. Thank you.
$1,125 USD in 7 days
0.0 (0 reviews)
0.0
0.0
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Hi, dear. I checked the project description, and I'm very interested in this project. I have rich experience in BLE, WiFi, Lora, Bio-sensing development(HRM/PRV/PPG/ECG/EEG). I had especially developed several projects using nRF52832/nRF52840/nRF52833/nRF52811/nRF52820, MAX30102/MAX30105/mAX30205/AFE4900/AFE4495/AS7026, ENS210/DHT11/DHT22/BMP280/BME280, etc I have rich experience in Hardware design too. So, I am looking forward to working on this project. Thank you
$1,500 USD in 12 days
0.0 (0 reviews)
0.0
0.0

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RIVERSIDE, United States
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