Memory Map Mental Model
Flash/RAM sections, stack/heap, linker basics, and typical failure modes.
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8–12 min read
Embedded • Firmware • Systems
Harsh Sharma
Embedded Systems Engineer building low-level software, firmware architectures, and reliable systems. RTOS, drivers, CAN/J1939, AUTOSAR, memory, and bit-level work.
RTOS
ARM
Drivers
CAN/J1939
AUTOSAR
Boot
Memory
Debug
Systems
Short, deep writeups that prove you understand the machine.
Interrupts & Latency
Priority, jitter, timing debt, and what “fast” really means on MCUs.
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6–10 min read
CAN/J1939 Architecture
Frames → PGNs → transport → application: reasoning end-to-end.
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10–14 min read
Projects
Proof of execution. Crisp: problem → design → results → learnings.
J1939 Stack Work
SystemsPGN routing, TP, diagnostics, and robust framing with defensive parsing.
View on GitHub →RTOS Port / OS Work
Low-levelScheduling, synchronization, integration patterns, and reliability constraints.
View on GitHub →AUTOSAR ARXML Tooling
ToolingParsing + codegen + formatting to make generated C consistent and readable.
View on GitHub →Writeups
Your edge: explain hard things simply. Recruiters remember that.
Bit Manipulation: The Hardware View
Flags, masks, registers, and why bit thinking is firmware thinking.
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6–9 min read
Why Embedded Bugs Are Expensive
Memory corruption, races, UB, and how to design for testability.
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7–11 min read
Debugging Playbook
A repeatable flow: reproduce → narrow → instrument → verify.
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5–8 min read
Contact
One click. No friction.