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Côte d’Ivoire ✓
Open worldwide
1,500 – 3,000 $
Estimated budget
Payment
PayPal · Skrill · Bank transfer
Language
English
Category
Other
Tier
Large missions
Where
Online
Commitment
Freelance
A realistic side income, never a guaranteed salary.
I already have the schematic, PCB layout, and BOM for a handheld pH / EC meter, but the board has never been powered on. I now need the design taken all the way from desk-review to a fully working, calibrated prototype. Here is what I’m expecting: you will start by combing through the design files to spot any signal-integrity or component issues that could compromise measurement accuracy. From there, please revise the board so the LCD module and both sensor inputs are properly routed and…