Job
PCB testing and firmware development for acoustic transducer
THIS PROJECT HAS TWO PARTS
*. Existing PCB Verification, Testing & Validation
*. Developing firmware for the burst generation & echo processing
Existing PCB Verification, Testing & Validation
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Service
I will design professional PCB layouts, schematics and Gerber files
I am a mid-level PCB designer with solid experience in schematic capture, PCB layout, routing, and generating manufacturing files (Gerber, drill, BOM, pick-and-place).
I deliver clean, reliable, and manufacturable
Designer
Engrhasan321
HVAC|BIM|PCB|CAD|Mechanical|Electrical|Structural|Architectural|2D|3D|CNC|Automotive
I am a multidisciplinary Design Engineer with strong experience in BIM, PCB design, Electrical, Structural, and Mechanical engineering solutions. I help clients turn concepts, sketches, and technical requirements
Blog Post
Hiring the Best Electrical Engineers & Freelance PCB Designers
engineers and freelance PCB designers no matter the level of project you’re currently working on. Some of the biggest companies struggle to find great talent in electrical engineering and PCB design. There are
Designer
alia5649
Mechanical & Embedded Systems Designer | Robotics, PCB, CAD & Automation
electronics, and automation solutions for clients across Japan and internationally. My work spans PCB layout and firmware, 3D-printed prototypes, robotic mechanisms, and IoT devices. Past projects include
Job
Embedded hardware engineer — SPL meter prototype (schematic + PCB layout)
Project summary
I need a schematic and PCB layout done for a small handheld sound pressure level (SPL) meter — a single-board device with a calibrated MEMS microphone, an ESP32-S3 MCU, a 3" SPI TFT
Service
Product 3D Modeling + STEP/STL Files + Fabrication-Ready Technical Drawings
draft/feedback → 3D model → review & revisions → final files.
Use cases: Mechanical parts, electronics/PCB housings (Arduino, sensors), replacement parts, prototypes.
Tools & formats: Fusion 360. Deliverables:
Service
I offer custom PCB design and hardware layout engineering services
I offer professional, production-ready 2-layer and multi-layer custom PCB design and expansion shield layout services using KiCad. My engineering process turns schematic concepts into stable physical hardware
Service
I will review your PCB design and find issues before manufacturing
Before you send your PCB for manufacturing, let me review it and help you avoid costly mistakes.
I will review your PCB and identify issues related to:
-Routing quality
-Power and ground strategy
-EMI
Designer
tamale
Product Design Engineer | Mechanical & Enclosure Design Specialist & PCB Design Engineer
optimized for manufacturing. I specialize in designing enclosures and housings for both sheet metal fabrication and injection-molded plastics, ensuring sensitive electronics are protected while maintaining an