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Schematic, Layout Design - Microcontroller Firmware - BLE+WiFi

What we seek is that a small gadget, I will provide sizes later on, which has an ultrasonic sensor and checks the liquid level of a tank and sends the data by connecting to the internet via Wi-Fi to a specific web server.

The project comprises 2 parts.

1st part is electronic component selection, schematic design, and simple layout. -----There should be one button for on/off and Bluetooth synchronization.

-Battery-powered, preferred 3V coin cell battery.

-Ultrasonic sensor range is between 0.05 to 2 meters.

-I will provide websites for component selection.

2nd part is firmware based on chosen micro-controller.

-On/Off by pressing the button for 5 seconds.

-Bluetooth will be activated only for a minute after pushing the button 5 times.

-We will use Bluetooth only for sending SSID and Password of the Wi-Fi that gadget will connect.

-Implement a simple GATT protocol

-Create a simple minimalistic iOS and Android to show working communication

-After the device connecting to Wi-Fi, it will send the liquid level of the tank once an hour with the id of the device and time.

I'm expecting a calculation of battery life.

Kĩ năng: PCB Layout, Điện tử, Vi điều khiển, STM32, Arduino

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Về Bên Thuê:
( 0 nhận xét ) Secaucus, United States

ID dự án: #30184613

38 freelancer chào giá trung bình$515 cho công việc này

(79 Nhận xét)
7.9
avigupta0061

Best PCB Design Expert at your doorstep! Dear Client, We can provide a schematic and PCB design with one button for on/off, Bluetooth synchronization, Ultrasonic sensor, 3V coin cell battery for microcontroller as p Thêm

$500 USD trong 2 ngày
(32 Nhận xét)
7.1
amelectronics

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 Thêm

$800 USD trong 20 ngày
(67 Nhận xét)
7.1
Andrii0125

Hi. I am an electronic engineer with rich experience in hardware and firmware development. I have read your project description carefully, so I am very interesting in your project. I will keep good communication for fu Thêm

$500 USD trong 7 ngày
(35 Nhận xét)
6.5
(7 Nhận xét)
6.0
(39 Nhận xét)
5.4
HarimohanG

FREE OF COST CONSULTATION Dear Client, I will provide Schematic and PCB design for microcontroller with ultrasonic sensor in a quality and timely manner. I have read and understood your requirements and could do it fo Thêm

$400 USD trong 2 ngày
(3 Nhận xét)
5.2
JiangBin1113

Dear Client I am excited to submit this proposal. I have rich experience of over 10 years in the embedded system. I have developed a lot of the products during the past 10 years I think I can help you with your proj Thêm

$500 USD trong 7 ngày
(4 Nhận xét)
4.8
aliabidlodhi74

Hello... I have read your requirement you want PCB design. I have already done a lot of project related to BLE wifi IOT projects. I am 100% sure I can do your task in no time. Send me msg then I will provide details. Thêm

$250 USD trong 3 ngày
(17 Nhận xét)
5.0
(25 Nhận xét)
5.1
ah7med

Hi there, I have read your requirements, is depending on what you want to do with it. I have made a lot of projects with Ultrasonic. After we make some command to move. I can work with all types of Microcontrollers pro Thêm

$556 USD trong 7 ngày
(13 Nhận xét)
5.0
hemedmechanical

you can readily use ESP32 for your WiFi and BLE tasks, though ultrasonic sensor is not that power efficient typical example of that sensor HC-SR04 pulling around 15mA, while lidar based one ie: vl53l0x pulls around 6 Thêm

$600 USD trong 7 ngày
(29 Nhận xét)
5.1
syfpr163

Hello Sir. I have 10 years good experience of hardware development. I have completed a variety of embedded system design and programming by using microcontroller, arm, etc Board PCB design have been completed by using Thêm

$500 USD trong 7 ngày
(7 Nhận xét)
4.7
Devpro11

Hi, sir! I can handle your "Schematic, Layout Design - Microcontroller Firmware - BLE+WiFi" project as you like. I am an experienced ALTIUM DESIGN, PCB and PCB layout DESIGN developer with the skills necessary to do th Thêm

$300 USD trong 3 ngày
(8 Nhận xét)
4.4
medvedevmax333

How are your? I have read your project very carefully. Actually, I have a lot of experience with similar project, so I can show you Device and Firmware Source Code. This project is a piece of cake for me. You also hop Thêm

$500 USD trong 5 ngày
(3 Nhận xét)
4.0
danish2051

Hi I am an expert with more then 6years of experience in IoT, Automation, Embedded Systems, pcb design and dovelopment and prototyping. I have hands-on experience in arduino, esp32, pic, arm, raspberry pi and other mcu Thêm

$611 USD trong 45 ngày
(18 Nhận xét)
4.4
kungfuupanda9

Hello I have been working for more than 10 years in the field of Sch, PCB design and firmware programming. I have experience in the areas including Wifi device. I'm flexible with my working hours. Cheers Srdan

$500 USD trong 7 ngày
(3 Nhận xét)
3.9
anhvinhdongnai

Hi i'm vinh. I have over 15 years designing analog and digital electronic circuits with orcad. I design and create very good pcb. I have worked a lot with Ultrasonic sensor circuit. and i have upgraded it works fine on Thêm

$1000 USD trong 2 ngày
(10 Nhận xét)
4.0
olaideejiwole

Hello sir/ma, I'm interested in taking this task up for you. I am an Electrical Engineer with a masters degree and I have high proficiency knowledge in: FPGA firmware in VHDL and Verilog for Altera/Actel/Xilinx FPGAs a Thêm

$250 USD trong 2 ngày
(7 Nhận xét)
4.2
engmahmoudsaber3

Welcome Sir I can help you in successfully completing your project. I am an expert in the Arduino field. I have done many similar projects for this work. Send me all the details. Here are some of my work I unveiled an Thêm

$259 USD trong 5 ngày
(12 Nhận xét)
4.1