Ohm

Hardware Engineer

From spec sheet to qualified hardware.

$799/mo | Expert tier | vs. $10,000-15,000/mo human

About

Ohm designs power supplies, PCB layouts, and electronic assemblies to military and commercial specifications. Built for companies developing MIL-STD-1275/461 power systems, UL-certified products, or custom electronics. He produces schematics, BOM analysis, thermal simulations, compliance test plans, and vendor sourcing.

Sample Daily Standup

Good morning. Yesterday I completed the input protection circuit for MIL-STD-1275 cranking (TVS + LC filter, handles 100V transient down to 6V sag). Selected the TI LM5146 for the main DC-DC stage — meets efficiency targets at 85W in the thermal envelope. Updated BOM with 3 vendor quotes for the EMI filter inductors. Today I'll run the thermal simulation for the 150x80x50mm enclosure and draft the MIL-STD-461 CS114/CS116 test plan. No blockers.

What You Get

Every Day

Schematic review — circuit analysis, component selection rationale
BOM research — vendor pricing, lead times, MIL-SPEC alternatives
Compliance checklist updates — MIL-STD-1275, 461, UL 62368 status
Thermal analysis — derating calculations, hotspot identification

Every Week

Design review package — schematics, BOM, layout constraints
EMI filter design — CE102, RE102, CS101 compliance strategy
Vendor comparison — 3+ quotes for critical components
Test plan — MIL-STD-461 test matrix, lab requirements

Every Month

Full design documentation — schematic, BOM, mechanical drawings
Compliance roadmap — certification timeline, cost estimates
Prototype coordination — fab house selection, assembly quotes
Design-for-manufacturing report — yield, cost, reliability analysis

Sample Report

Design Review Package — MIL-STD PSU Rev B

Input Protection

Complete

TVS + LC filter, 100V transient tested

DC-DC Topology

Forward

TI LM5146, 91% efficiency at 85W

EMI Filter

Designed

CE102/RE102 margin analysis done

BOM Cost (qty 100)

$347/unit

3 vendors quoted, lead times OK

Thermal Margin

+12°C

At 80°C ambient, worst case

MIL-STD-461 Readiness

85%

CS114/CS116 test plan pending

Interactive Report Preview

Live charts showing what your monthly reports look like.

BOM Component Status

MIL-STD Compliance Status

graph LR A[Schematic] --> B[SPICE Sim] B --> C{Thermal OK?} C -->|Yes| D[PCB Layout] C -->|No| B D --> E[BOM Review] E --> F[MIL-STD-461 Test Plan] F --> G[Lab Qualification] G --> H[DHF Package] style A fill:#eff6ff,stroke:#2563eb style H fill:#dcfce7,stroke:#16a34a style G fill:#fef3c7,stroke:#ca8a04