ArcVoltix
Case studies

Recent Engineering Work

Four projects taken end to end in semiconductor fabrication, automotive electronics, discrete logic systems, and connected wearables.

Side-by-side wafer composition: silicon wafer in dish alongside a macro die-array close-up
Semiconductor microfabrication

Semiconductor Fabrication Project

What it is
Cleanroom microfabrication project taken from mask design to wafer-level chip fabrication.
Engineering scope
Mask design, photolithography, wet and dry etching, resist stripping, and microscope inspection across a multi-step flow.
Manufacturing outputs
Patterned silicon wafer with measured features, process documentation, and inspection imaging at each step.
SubstrateSilicon wafer
ProcessPhotolithography
StepsMask · etch · strip
InspectionOptical microscope
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Automotive Rain-Sensing Control System dashboard with prototype, schematic, control logic, results, and mechanical CAD
Automotive electronics

Automotive Rain-Sensing Control System

What it is
Automotive prototype that detects rain and automatically activates headlights and wipers at adaptive intensity.
Engineering scope
Optical rain sensor, MOSFET headlight control, relay-driven wiper motor, dual response modes, and a 12 V battery system.
Manufacturing outputs
Working prototype with rain detection, two-stage headlight and wiper response, and average activation under 2 seconds.
SensorOptical rain
Response2-stage adaptive
DriversMOSFET + relay
Activation< 2 s tested
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Merged overview of all six discrete-logic traffic controller schematics
Mixed-signal control

Discrete Logic Traffic Controller

What it is
Fully analog traffic light controller built end to end without firmware or microcontroller.
Engineering scope
555 timer sawtooth, op-amp comparators, 4081 and 4069 logic gates, MOSFET LED drivers, Li-Ion regulation, and sound-activated on/off.
Manufacturing outputs
Working traffic signal with sound-activated on/off, regulated 5 V power, and discrete per-colour LED drivers.
Timing555 sawtooth
Logic4081 + 4069
DriversLM317 + IRF510
FirmwareNone
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Side-by-side Personal Alert Device PCB views: routing layout and finished green-mask board render
Personal safety & wearables

Personal Alert Device

What it is
Compact wearable safety device taken from concept to a working prototype in its enclosure.
Engineering scope
Custom 2-layer PCB at 30 × 40 mm, wireless charging subsystem, 1100 mAh battery, and full enclosure fit.
Manufacturing outputs
Schematic, 2-layer PCB, BOM, wireless charging integration, and a working prototype with 72-hour runtime.
PCB2-layer · 30 × 40 mm
Power1100 mAh Li-ion
ChargingWireless
Runtime72 h tested

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Why work with us

Why clients hire ArcVoltix

Direct engineer communication

One point of contact from first message to delivered boards. No account managers in the middle.

Manufacturable outputs

Schematics, BOMs, and layouts your fab and assembler can use without follow-up questions.

Clear scopes and milestones

Written proposals with defined phases. You approve each one before it starts.

Prototype to production support

Same project, same engineer, from the first debug board through volume manufacturing.