Digital stir plate

$50-300 USD

Closed

Posted

over 5 years ago

$50-300 USD

Paid on delivery

The use case is for yeast growth for beer production. There are a lot of simple designs on the market however I would like to work with someone to make one with a difference. I am able to print PCBs and source parts. Current requirements: * DC input 12-24v to be used with a standard wall plug pack * High quality DC brushless motor with very high MTBF * balanced component to fit on motor shaft with neodymium magnets; magnets North/South, counter weights East/West – to avoid vibration and improve longevity of the motor Example of simple PC fan design without balance: [login to view URL] * Digital rpm control 0 -> 3,000 rpm with 100rpm increments * Buttons: on/off, speed up, speed down * Ability to press up or down button and increment speed by 100rpm * Ability to hold down up or down button to quickly increment speed steps * Segmented LCD display or I2C OLED display to show rpm, preference on OLED

Electrical Engineering

Project ID: 17658334

About the project

3 proposals

Remote project

Active 6 yrs ago

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3 freelancers are bidding on average $242 USD for this job

@mohameedtareq

Hello Sir I read you requirement carefully and I built many circuits and projects contain the same parts and requirement So I'll be responsible about the electrical circuit which include the controller circuit && lcd&&motor control&&speed control&&press buttons up and down && Programming and circuit design is my work So I'll make it professionally as all of my work So Feel free to contact me for more discuss I have proficiency in following software tools: Electrical circuit design pcb design microcontroller programming ,interface plc programming scada system design Siemens S7 programming Electrical circuit simulation thermal control system building circuit (low energy control) bluetooth NodeMCU programming IOT (internet of things) Mplab(x) IDE micro C IDE PCB manufacturing Thanks Mohamed

$277 USD in 10 days

4.8

(16 reviews)

4.9

@MElizabethp

Hello my name is Maria, I would like to work in this project, I’m an engineer with plenty of experience working with Electrical Engineering, Electronics, Microcontroller, PCB Layout, Product Design, I have made many PCB projects, so I am sure I can do a good work for you. Good communication with my clients it is a top priority for me. If you have any doubt or want to see more of my work I’ll be here. Contact me for more info.

$200 USD in 10 days