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Posted on Aug 07, 2025 · 23 Quotes Received

PCB design 12/24V motorcontroller

Fixed Price $250-$500

Send before Sep 06, 2025
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For my product I need a PCB designed so I can let produce it in PCB format. Currently the motorunit is made with a: - 12/24v stepdown converter to USB/5V - 3V relais board - ESP32 38pin connectorboa…

Engineering & Architecture Engineering (Mechanical / Chemical / Civil / Electrical) Arduino PCB Design I2C ESP32 Design

Rob T

Netherlands

12,995 Spent 100%
Posted on Aug 03, 2025 · 15 Quotes Received

High-Pressure Water Jet Security System

Fixed Price

Send before Sep 02, 2025
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Objective: To develop a non-lethal, high-pressure water-based defense mechanism connected to a 60,000-liter tank that neutralizes intruders at designated access points (e.g., main entrance doors). Som…

Engineering & Architecture Engineering (Mechanical / Chemical / Civil / Electrical) 3D Design Arduino Circuit Design CNC Programming Electrical Engineering Engineering Mechanical Engineering Product Development Simulation Modeling Solar Energy Storage Engineering Switches Water Engineering Automation Engineering Artificial Intelligence Computational Fluid Dynamics (CFD)Fluid Mechanics Software Application Development Fluid Flow Analysis Fire Engineering Fire Detection Architectural Visualization Pipeline Engineering Fire Fighting Design Instrumentation Engineering

Simon k

United States

4,900 Spent 100%

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