Dravya R&D Pvt. Ltd. · Raipur, IN 🇮🇳

We build hardware that disappears.

An isometric prototyping bench, terminal, ESD mat with a populated PCB, 3D printer, component drawers, pegboard and wire spools.

Dravya is a hardware miniaturization and sensor R&D lab. We compress full systems into credit-card footprints, and build sensors that measure what couldn't be measured before.

Capabilities /services

Selected work /work

Fintech hardware Ongoing ACTIVE R&D

Offline Transaction Card

A touchscreen payment card that transacts with the network off, in a true credit-card footprint.

  • Bistable electrochromic display
  • Capacitive touch
  • On-card secure element
  • Post-quantum cryptography
  • Custom low-power OS
Sensor systems 2024–25 IN BETA

Smart Pour Spout

Passive, per-pour liquor inventory for bars, invisible to the bartender, unmissable to the ledger.

  • Liquid flow sensing
  • 6-axis inertial sensing
  • Sensor fusion
  • Magnetic charging
  • Audit dashboard
Software + hardware 2024–25 IN PRODUCTION

Trading Terminal

A family office's entire trading desk, rebuilt inside the spreadsheet they already trusted.

  • TypeScript
  • Python
  • Redis TimeSeries
  • Grist
  • Docker
  • On-prem GPU inference
  • Local LLM (30B)
  • Kernel-bypass NIC
  • GPS-disciplined clock
  • On-desk arming console
  • Secure-element key
  • Broker API
Indoor positioning Ongoing ACTIVE R&D

ZoneTrace

Real-time visitor tracking and zone control for the data centre: every person on the floor as a live dot, every zone enforced automatically.

  • Bluetooth AoA positioning
  • Tamper-evident wristband
  • On-prem positioning engine
  • Real-time zone enforcement
  • Live operations dashboard
Modular hardware 2025–26 IN BETA

Core Compute Cylinder

One cylindrical computer. Snap on a screen and it's a tablet; add a keyboard and it's a laptop; fold two panels and it's a book.

  • Core Compute Cylinder (SoC)
  • Hot-swap module interface
  • Multi-display drivers
  • Module-aware firmware
  • Bidirectional power
Fleet fuel telemetry Ongoing FIELD TESTING

FuelTrack-140

A twin-bore fuel meter for trucks: what the engine actually burned, and where the truck was when it burned it.

  • Twin-bore differential flow block
  • Solid-state sensing · no moving parts
  • GPS · AIS 140-ready design
  • Store-and-forward telemetry
  • Per-vehicle fuel ledger

Process

  1. Research

    We start where the product will actually be used, watching the work first-hand, mapping how it is done today, and taking apart the tools people already rely on. Hardware decisions come after.

  2. Prototype

    Working hardware, fast. The first version can be bulky and rough, it only has to be real: on the bench, doing the actual job. We don’t pitch what we haven’t built.

  3. Iterate

    Every revision targets one number (accuracy, power, size, or cost) and moves it. We keep cutting new versions until that number is where it needs to be.

  4. Integrate

    You get the whole working system: firmware, data layer, dashboards, deployment. Not a bare board left for someone else to finish.

Have a problem that needs hardware no one has built yet?