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Rohit Sivakumar

Skills

A toolkit that spans the whole product.

Organized the way real hardware development is organized — from the schematic to the production line.

PCB & Electronics

01

From first schematic to DFM-ready fabrication files.

  • DipTrace
  • Fusion 360 Electronics
  • Schematic capture
  • Multi-layer PCB layout
  • Routing
  • DFM-oriented revisions
  • Mixed-signal design
  • LTspice simulation

Embedded & Firmware

02

Bare-metal and RTOS firmware on real silicon.

  • Embedded C / C++
  • Microcontroller programming
  • PIC (PIC16F15385)
  • Nordic nRF52 / nRF52840
  • ESP32 / ESP32-S3
  • Zephyr RTOS
  • nRF Connect SDK
  • ESP-IDF
  • SWD / JTAG flashing
  • MPLAB X IDE / XC8

Bring-Up & Test

03

Where the design meets the bench.

  • Oscilloscopes
  • Multimeters
  • Programmable power supplies
  • Function generators
  • Sound level meters
  • Soldering / hot-plate reflow
  • PCB rework
  • J-Link / SWD debugging

Power & Analog

04

Battery-powered systems that survive the real world.

  • Buck-boost converters (TPS63070)
  • Battery charging (MCP73871)
  • Battery protection & monitoring
  • DAC control (MCP4821)
  • H-bridge drive (DRV8212)
  • Piezo drivers (DRV8662)
  • MOSFET LED drivers
  • Li-Ion / 18650 systems

Manufacturing & Sourcing

05

Designs that can actually be built — repeatedly.

  • JLCPCB PCB / PCBA ordering
  • DigiKey & Mouser sourcing
  • BOM management
  • Prototype assembly
  • Vendor coordination
  • Design for Manufacturing

Mechanical & Prototyping

06

Electronics don't ship without an enclosure.

  • Fusion 360 CAD
  • Enclosure design
  • Mechanical integration
  • Bambu Lab FDM printing
  • Formlabs SLA resin printing
  • Acoustic chamber design

Programming & Scripting

07

Firmware, tooling, and automation languages.

  • C
  • C++
  • Python
  • Tcl
  • Perl

Silicon & EDA

08

ASIC backend experience from RTL to GDSII.

  • Cadence Genus
  • Cadence Innovus
  • Synopsys Design Compiler
  • Synthesis & floorplanning
  • Place-and-route
  • Timing closure
  • EM/IR analysis & signoff

Technology Stack

Hardware, firmware, and the tools between.

The specific parts, software, and equipment behind the projects on this site.

Microcontrollers

  • PIC16F15385
  • Nordic nRF52840
  • ESP32
  • ESP32-S3

EDA & PCB

  • DipTrace
  • Fusion 360 Electronics
  • LTspice

Firmware Stacks

  • Zephyr RTOS
  • nRF Connect SDK
  • ESP-IDF
  • MPLAB X / XC8
  • Bare-metal C

Languages

  • C
  • C++
  • Python
  • Tcl
  • Perl

Protocols & Interfaces

  • Bluetooth Low Energy
  • USB-C
  • SWD / JTAG
  • I²C (OLED / DAC)
  • SPI

Test Equipment

  • Oscilloscope
  • Bench power supply
  • Function generator
  • Digital multimeter
  • Sound level meter
  • J-Link debugger

CAD & Prototyping

  • Fusion 360
  • Bambu Lab FDM
  • Formlabs SLA

Manufacturing

  • JLCPCB PCB/PCBA
  • DigiKey
  • Mouser
  • BOM management
  • Hot-plate reflow

Silicon / ASIC

  • Cadence Genus
  • Cadence Innovus
  • Synopsys Design Compiler

All parts listed are ones I have designed with, programmed, or debugged on real hardware — not a keyword list.