Oxygen Dissolved and Temperature sensor with ESP32 LoRa + Battery

We need to develop a project that monitors DFRobot Oxygen Dissolved Sensor and temperature Sensor in an aquarium using ESP32 LoRa and Lipo or 9V battery.

Additional with a I2C LCD.
We need PCB Design, Schematic Circuit and Code.

Keahlian: Teknik Elektro, Elektronika, Teknik, Microcontroller, Tata Letak PCB

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Tentang Pemberi kerja:
( 0 ulasan ) Colombia

ID Proyek: #17392496

16 freelancer menawar dengan rata-rata $344 untuk pekerjaan ini


hi, I hope you are doing well. I have expertise in ESP32 + LoRa projects. I have worked with temperature sensor and Oxygen Sensors. I have understood your project requirements. I would like to discuss it further Lebih banyak

$750 USD dalam 15 hari
(58 Ulasan)

hi i have 5 years experience of PCB design field I have done many PCB design projects in different domain see my profile and portfolio thank you

$250 USD dalam 10 hari
(46 Ulasan)
$222 USD dalam 3 hari
(1 Ulasan)

hi. I am experienced electronics design engineer and I would like to do this for you. kindly check my profile and discuss details. thanks

$400 USD dalam 7 hari
(6 Ulasan)
$155 USD dalam 3 hari
(14 Ulasan)
$833 USD dalam 30 hari
(3 Ulasan)

Hi Did you specify the sensors?, or this will be my task? What size of pcb you need? You need charging port for battery? Please let's talk, regards Relevant Skills and Experience Pcb design, Electronics

$155 USD dalam 20 hari
(11 Ulasan)

This mohamed saied , i suggest using sx76 lora with the antenna it can communicate around 3km, esp32 for interfacing with lora and oled display , i have the components (esp32 and lora) so i can start working right awa Lebih banyak

$277 USD dalam 30 hari
(4 Ulasan)

yes buddy,,how r u?its me imad, have done 200+ projects regarding matlab, esp,IOT,arduino, atmega, Terrarium design and on bio-electronics. U will feel brotherhood.............

$70 USD dalam 3 hari
(15 Ulasan)

Dear, Client. Thanks for your proposal. I did read your detail carefully. I am very interesting to your job. I am an expert and developer that have rich development experiences in many projects with ESP-32 and LC Lebih banyak

$250 USD dalam 10 hari
(3 Ulasan)

Dear Prospect Hiring Manager. Thank you for giving me a chance to bid on your project. i am a serious bidder here and i have already worked on a similar project before and can deliver as u have mentioned "I can do Lebih banyak

$155 USD dalam 3 hari
(0 Ulasan)
$666 USD dalam 12 hari
(0 Ulasan)
$133 USD dalam 14 hari
(0 Ulasan)

I can design this system with OD sendor from Atlas Scientific and Atmel microcontroller with C compiler Relevant Skills and Experience Eagle pcb design Code vision c compiler

$255 USD dalam 14 hari
(0 Ulasan)
$777 USD dalam 3 hari
(0 Ulasan)

We are ESP32FREE Framework developers. You can google it, download and test ESP32FREE firmware by yourself. Our work is to adopt ESP32FREE Framework to your project. This is faster to make it working, than writin Lebih banyak

$155 USD dalam 3 hari
(0 Ulasan)