Atmega, I2C, RS485 and PC interface -- 2

$30-250 USD

Closed

Posted

almost 2 years ago

$30-250 USD

Paid on delivery

For this project, you will be : - selecting the MCU for the HW schematic, - Writing the firmware for the project - clear code with commentaries- ( details will be provided in chat) - Managing I2C buses, RS485, and USB - Developing a PC interface to communicate data with the board - Select the OLED display according to the specs - Draw schematic section for the OLED, buttons, RS485, MCU, and programing circuit this project will require: - 55 analog measurements ( I2C external ADCs will probably be used - part numbers will be shared afterward) - 20 analog Setting values ( I2C external DAC will probably be used - part numbers will be shared afterward) - 10 analog values will be set through a digital potentiometer (I2C dual digital potentiometers - part numbers will be shared afterward) - 55 digital output signals ( 16CH MUXs will be used - part numbers will be shared afterward) - to manage the I2C slaves, an I2C 4CH switch will probably be used please only bid if you are confident that you will deliver the work and you have experience in all descrived areas.

Electronics

Microcontroller

Electrical Engineering

Arduino

Circuit Design

Project ID: 34223456

About the project

18 proposals

Remote project

Active 2 yrs ago

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18 freelancers are bidding on average $1,891 USD for this job

@aliabidlodhi74

Hi there I have read your job description related to programming and circuit design. I am experienced electronics engineer and expert in MCU programming and PCB designing have 8 years of experience. I am 100% sure I can do your task in no time. I have designed more than 500 PCBs with program. I have some questions to ask. Lets discuss further details in chat. Regards M Ali

$220 USD in 10 days

4.9

(45 reviews)

6.0

@Engrusman877

Hi There, I am a senior PhD Level Expert and Have more than 5 years of experience in electronics and embedded project design. I have experuece with atmega mcu, and i know all mentioned protocols and interfacing options. Just check my profile and share your details. Time and Budget will be discussed. Thanks

$140 USD in 7 days

4.8

(92 reviews)

6.2

@anahhal

Hi Thank you for your job posting. I have plenty of experience in firmware development and micro-controller developments such as: ✅ESP32. ✅PIC. ✅AVR. ✅Arduino. ✅Atmega. I have extensive experience in PCB design using several software such as ✅ Altium. ✅Proteus. ✅KiCad. I provide the services - Gerber files, Netlist generation, BOM generation, and 3D Models. And I can simulate all circuits with Proteus, LT-spice, Multisim, and MPLAB Mindi, as well. Please be free to contact me to discuss more details.

$210 USD in 5 days

5.0

(22 reviews)

5.8

@HarimohanG

Good day, I can interface Atmega, I2C, RS485 and PC in a quality and timely manner. I have more than 30 years experience in described and Atmega, I2C, RS485 and PC interface. I would like to have a thorough discussion on this project as there are certain suggestions from my side After dedicating more than 30 years to the electronics design and development, I am passionate in designing the best products Technology wise I have worked on all the latest technologies like GSM, 5G, Lora, Buttons, RS485, I2C, Atmega, PC, USB etc And have worked on more than 20 design tools for designing and simulation purpose Some of the generic queries from my side are: 1. What is the application of this product? 2. What will be the ambient temperature of this product? 3. What are the mechanical constraints to be taken care of? If you are someone who wants to benefit from my experience just message me Hi and I shall be there for you Regards Hari Mohan Engineering for one is magic for others

$140 USD in 7 days

5.0

(5 reviews)

5.2

@jitendrabaraiya

I have more than 9 years experience in embedded hardware design and firmware development . and I have done many products based on atmega series MCU with atmel studio . So I can do your job within a time limit with your satisfaction.

$29,860 USD in 90 days

4.8

(8 reviews)

5.1

@edi45

Hi, i can help you develop PCB for all the mentioned devices and develop the firmware with atmega or mor sophisticated MCU. I have similar project to monitor car engine (CANBus), inverter and BMS (USB rs485) desktop app as well. So I can offer you a complete package of solution. I have 8 years of experience in this industry

$750 USD in 7 days

5.0

(13 reviews)

4.6

@manasmw01

Hey there! I can help you with your Atmega based project. Have a look at my portfolio, I have experience in designing PCBs and writing firmware. I have used AVRs, PICs, ESP32 and ESP8266 in my previous project. I will help you in finalising the MCU and will provide you the complete firmware for your project. Message me and I'll clear your doubts. Looking forward to work with you!

$250 USD in 7 days

5.0

(21 reviews)

3.5

@aizazahmed260

Hello! Hope you are doing well. Iam Electronic Engineer and I understood your project details. I will design it for you. Hoping for your positive response

$30 USD in 3 days