ESP32/embedded IoT Programmer for Smart Cupholder
Posted 2 weeks ago
Worldwide
Summary
Looking for an affordable freelance ESP32/embedded IoT programmer to help complete a working prototype for our patented Smart Cupholder System (SCS) for stadiums and arenas. We need ESP32-S3 programming for Wi-Fi/Bluetooth connection, simple phone-based image/text uploads to e-paper displays, sensor tracking/analytics, and Qi charging integration. Hardware is being designed as plug-and-play with no soldering required. This is a prototype project with the potential for additional paid work as we move into venue pilots. Local to Burbank/Los Angeles preferred.
- Less than 30 hrs/weekHourly
- 1-3 monthsDuration
- IntermediateExperience Level
$23.00
-
$45.00
Hourly- Remote Job
- Ongoing projectProject Type
Skills and Expertise
Mandatory skills
C
C++
ESP32
Embedded System
Nice-to-have skills
Embedded C
Microcontroller Programming
Activity on this job
- Proposals:20 to 50
- Interviewing:0
- Invites sent:0
- Unanswered invites:0
About the client
Member since Aug 13, 2026
- United States8:38 AM
Explore similar jobs on Upwork
PX4 / ArduPilot Flight Test Engineer (Drone OS – BVLOS & DAA)Hourly‐ Posted 2 weeks ago
Arduino Firmware
Sensor Fusion
Arduino
Raspberry Pi
Python
Microcontroller Programming
Embedded Firmware Engineer for Weighing SystemFixed-price‐ Posted 2 months ago
Microcontroller Programming
Electronics
Circuit Design
Embedded System
How it works
Create your free profileHighlight your skills and experience, show your portfolio, and set your ideal pay rate.
Work the way you wantApply for jobs, create easy-to-by projects, or access exclusive opportunities that come to you.
Get paid securelyFrom contract to payment, we help you work safely and get paid securely.
Want to get started? Create a profile
About Upwork
- 4.9/5(Average rating of clients by professionals)
- G2 2021#1 freelance platform
- 49,000+Signed contract every week
- $2.3BFreelancers earned on Upwork in 2020
Find the best freelance jobs
Growing your career is as easy as creating a free profile and finding work like this that fits your skills.
Trusted by