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We have a electronic siren system which have some electronic components. There is a metal enclosure in which all the components are placed. The problem is that, the current system is temporary like a jugaad. We want to get the modular system designed so the goal is: 1. make every component plug and play 2. wirings and cables hidden inside and secure 3. make connections plug and play 4. Thermal dissipation so system cools down internally as there is no exit in the enclosure 5. make system compact and robust for coastal and extreme conditions. 6. Heat sinks and other ways we can make it temperature controlled. Let me also attach a basic requirements document also (AI generated according to our requirements) You are an expert so you can also suggest the implementation things.

I have the core concepts for a series of injection-mould inserts and cavities and now need them turned into fully detailed, manufacturing-ready designs that take full advantage of additive manufacturing. My single biggest focus is improving cooling efficiency, so every feature must revolve around high-performance conformal cooling channels built into stainless-steel inserts. You will translate my sketches and rough CAD into optimized 3D models, weave in lightweight lattice structures where they make sense, and run the engineering analysis required to prove shorter cycle times and higher overall productivity. Once the numbers look right, I will need clean STEP and STL files plus clear mold drawings that a service bureau or in-house metal AM team can run without further edits. Delivera...

Dear Team, Requirements: Mobile phone charger Input' wall mount - universal Output: USB-A BC1. 2 and USB-C PD3. 0 Power: 20W USB Type C PD: IEC 62680-1-2/3 comiance is a must USB Type A legacy port Interoperability : IEC 63002 compluance is a must USB-IF compliance is a must Dynamic power sharing CE and FCC EMC compliance is a must according EN 55032/5 Effeciency: EU CoC Tier2 Tast transient responce is a must Regulation 5% @ max load Reinforeced isolation Safty compliance according IEC 62368-1 is a must Environment: working temprature >80 C Board size:30x35mm Deliverables : Full Schematic Design using Cadence or Altium only Full PCB design : Using Cadence or Altium only Circuit simulation using PSpice or LT spice Full mathematical modeling, including transfer functiobs and comp...

I’m developing a compact, aluminium-clad SMD PCB that will live directly on mains, so every detail must be right first time. The board sits on 1 mm aluminium with 25 µm copper, accepts 220-260 VAC and has to deliver a rock-solid 144 VDC at 300-350 mA. Power-factor must stay high thanks to a hybrid DOB topology, while the protection network must survive 6 kV surges and automatically cut in on both high- and low-voltage events. Everything must be RoHS-compliant. Because the board ultimately feeds a power-supply module, thermals and creepage/clearance are just as critical as the electrical design. I’m looking for a clean, production-ready package that lets me hand Gerbers straight to my fabricator and have parts placed with confidence. Deliverables • Complete schema...

Hi I will share the details with the shortlisted candidates. Thanks

Hi I will share the details with the shortlisted candidates. Thanks

I’m looking for help building and troubleshooting an Engineering Equation Solver (EES) model for a heat-transfer study. The core task is to translate my problem statement into well-structured EES code, run it, and return results I can trust. Scope of work • Clarify the exact heat-transfer mode involved—conduction, convection, radiation, or a combination—based on my notes and any data I provide. • Define all governing equations, assumptions, and correlations inside one EES file with clear comments. • Set up inputs so I can easily modify material properties, boundary conditions, and initial temperatures later on. • Run the model, perform a quick sensitivity check, and flag any physical inconsistencies. Deliverables 1. Fully annotated .EES fil...

I’m looking for a specialist who can take my concept for a blast-freezer cold room and turn it into a fully engineered design package. The project is strictly design-focused—no installation or maintenance at this stage—and I want every decision to be backed by precise cooling-load calculations so the system runs at peak efficiency from day one. You’ll be sizing and specifying the entire refrigeration circuit, including compressors, evaporators, piping, controls, insulation, and airflow management. I also need layout drawings that show equipment placement, service clearances, and door locations, along with any notes that will help an installer understand the design intent. Please ground the work in current industry standards and typical food-grade hygiene requi...