
In Progress
Posted
Paid on delivery
I'm seeking a talented freelancer to create a prototype using the ESP32 microcontroller. The device will be used for remote monitoring of water quality, sent from a floating device to a cloud-based database every 15 minutes. Key Responsibilities: - Design and assemble a working prototype - Implement basic firmware for core functionality - Integrate multiple sensors: pH, Temperature, and Turbidity - Incorporate GSM/GPRS communication module for data transmission - Ensure efficient power management with a battery source - Provide comprehensive documentation for both hardware and firmware Ideal Candidate: - Proven experience with embedded systems and PCB design - Expertise in ESP32 firmware development - Previous work with environmental monitoring devices is a plus Please share your relevant experience and estimated timeline for this project.
Project ID: 39224346
77 proposals
Remote project
Active 4 mos ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
77 freelancers are bidding on average €1,115 EUR for this job

€1,500 EUR in 6 days
8.2
8.2

€1,500 EUR in 7 days
8.0
8.0

€1,125 EUR in 7 days
8.0
8.0

€1,125 EUR in 7 days
7.9
7.9

€1,125 EUR in 7 days
6.9
6.9

€1,500 EUR in 30 days
6.6
6.6

€1,125 EUR in 7 days
6.6
6.6

€1,000 EUR in 7 days
6.5
6.5

€1,200 EUR in 10 days
5.8
5.8

€1,125 EUR in 7 days
5.7
5.7

€756 EUR in 2 days
5.4
5.4

€1,125 EUR in 14 days
5.7
5.7

€755 EUR in 1 day
5.3
5.3

€1,125 EUR in 7 days
5.5
5.5

€750 EUR in 7 days
5.2
5.2

€1,125 EUR in 7 days
5.3
5.3

€780 EUR in 7 days
5.0
5.0

€925 EUR in 3 days
5.4
5.4

€1,125 EUR in 7 days
5.2
5.2

€1,000 EUR in 4 days
6.4
6.4

Hoogeveen, Netherlands
Member since Mar 20, 2025
€300 EUR
$250-750 USD
$30-250 AUD
₹75000-150000 INR
€8-30 EUR
$30-250 USD
$14-30 NZD
$250-750 USD
₹12500-37500 INR
$750-1500 USD
$3000-5000 USD
$1500-3000 USD
$10-30 USD
$50-100 USD
₹750-1250 INR / hour
$30-250 USD
₹1500-12500 INR
$15-25 USD / hour
$10-30 USD
min $50 USD / hour