Bit Veil • BIT_on

BIT_on_Tech™ is the signature I publish under.
Bit Veil is the veil itself.

I’m drawn to the spaces where electronics, sensors, and radio meet software, and where code meets reality, often in the grey areas where things are rarely ever just black and white.
I design and build systems across that boundary, hardware circuits, firmware, and software alike, not just to make them run, but to let electronic circuits, control logic, signal processing, algorithms, and AI systems manifest in the physical world through sensors, actuators, and human interfaces.

I don’t limit myself to intended paths, because systems reveal more when approached from unexpected angles.
Not malicious. Not reckless. Just curious and analytical.
Some systems don’t explain themselves. Their undocumented behavior, edge cases, and deeper layers only emerge when you move beyond the documented surface and immediate boundaries.
For me, that freedom means being able to inspect, trace, reverse, build, and reason about a system, not to break it, but to know it.
Manuals describe intent. Real understanding and answers only emerge when you follow the system itself upstream.

At its core:
“Curiosity opens systems. Real understanding begins when you stop assuming they are telling you everything. Discretion defines the engineer.”

Understanding systems beneath the surface…
is what makes building them truly powerful.

Technical background and accumulated domains

The following reflect domains where I have accumulated experience and deep familiarity over time, as they describe past involvement and long-term understanding.

Areas of prior specialization

Gray-hat Mindset

Selected historical focus areas

Electronics, PCB & Circuit Design

power • signal tracing & integrity • fault isolation schematics • layout • board design • analog/digital interfacing

Systems Programming & Low-level Code

Machine code • Assembly • C • Python • PHP backend API design • toolchains/tooling • debugging • automation end-to-end systems & platform engineering

Embedded Systems, IoT & Firmware

MCU • ARM Cortex-M • AVR • RISC-V • ESP32 • peripherals board bring-up • bare-metal • drivers • embedded Linux

Reverse Engineering & Offensive Security

Adversarial Analysis • threat modeling • protocol reversing firmware, device & interface analysis • fault injection exploit development • hardening & tamper resistance

Cellular / LPWAN, Radio & RF

LTE-M • NB-IoT • GSM to 5G • telemetry • device integration HAM radio (A license) • RF technique • antennas • field

Networking, Telemetry & Backend Systems

routing • segmentation • observability • reliability MQTT • REST APIs • webhooks • web services • integration SQL • schema design • performance tuning • retention

More historical focus areas Click to expand

MCU Platforms, Device Buses & Interfaces

datasheets • register-level • bring-up • hardware debugging peripherals • CAN • OBD-II • SPI • I²C • UART • integration real-time constraints • low-power • interrupt-driven

RF Direction Finding & Radar Systems

RF tracking • spectrum analysis • field measurement Doppler radar • speed measurement • RF signal chains

Cryptography, Auth & Access Control

PKI • certificates • TLS • validation • encryption • blockchain signing • hashing • YubiKey • Ledger • key management RFID • physical access control • sessions • tokens • 2FA/MFA

Testing & Verification

instrumentation • measurement • signal analysis fault isolation • root cause analysis • protocol validation test automation • repeatability • reliability engineering

Documentation, Release & Lifecycle

technical documentation • system handover • maintainability release engineering • packaging • versioning • deployment long-term support • system lifecycle • real-world constraints

Web Applications & Backend Development

backend systems • APIs • state • auth • data processing dynamic web apps • custom web tools • problem-driven design dynamic data presentation • visualization • interaction internal systems • real-world workflows • long-term operation

Applied AI Integration & Engineering

AI APIs • LLM workflows • system integration • tool building AI-driven tools • image analysis • classification systems automation • engineering workflows • validation • quality assurance analysis • review • quality control • efficiency optimization

Contact boundaries

I don’t actively seek projects, and I don’t operate as a consultancy. Any engagement is highly selective and contingent on a problem being technically interesting, well-defined, and personally sustainable for me. If something resonates, I may be open to a conversation.

All messages are read manually. Replies are not guaranteed and should not be expected; they may occur only when relevance and clarity align with my capacity to engage with the problem at an appropriate depth.

Contact formats

Mail and SMS are distinct channels, each with a different intended scope.

Mail

Preferred for introductions and technical context.

SMS

Reserved for short, time-critical matters.