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Mithira Udugama
@mithiraudugama
Sri Lanka
English
About me
Hello! I’m Mithira, a professional Electrical & Electronics Engineer (BSc, Hons) with 7+ years of experience in robust IoT hardware development, embedded systems, and multilayer PCB design.
I deliver end-to-end solutions, from smart home devices to industrial IoT gateways.
My expertise:
• Schematic Capture & Multilayer PCB Layout
• Circuit Design (Analog/Digital)
• Firmware: ESP32, STM32, ATmega
• Prototyping, Professional Soldering & Testing
I handle everything from design to fabrication coordination. Let's bring your IoT ideas to life!
Skills
Mithira Udugama
Offline •
Average response time: 1 hour
See my services
Printed Circuit Boards (PCB)
I will design professional electronic circuits
Embedded Systems & IoT
I will design professional embedded systems
Work experience
Senior Research and Development Engineer
Envision • Full-time
Sep 2020 - Present • 5 yrs 11 mos
Designed high-reliability multilayer PCBs, analog/digital circuits, and schematic layouts from concept to production. Developed firmware and edge-integration systems using microcontrollers like ESP32 (WROVER-B series) and Nextion HMIs. Engineered robust communication interfaces (UART, RS485, Zigbee 3.0) with custom active level-shifting and ESD protection. Handled complete hardware debugging, precision soldering, signal integrity testing, and industrial site deployment.
61 Reviews
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Rating Breakdown
- Seller communication level
- Recommend to a friend
- Service as described
1-5 out of 61 Reviews
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alexanderkono
Germany
We had to do some iterations to get to the final design, but in the end everything is according to my needs.
Seller's Response
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cristiancataska
Chile
The project took a little longer than expected, but everything else was ok
Helpful?
justinnd
Switzerland
Good collaboration, professional and flexible. Able to understand requirements and translate them into expected product.
Helpful?
chathuk433
United Arab Emirates
Ongoing collaboration
Helpful?
bpautomotive
United States
Order Canceled
The seller could never make the delivery, even though I paid for expedited delivery. I would highly recommend you look elsewhere for your circuit design.
Seller's Response
Helpful?
