Enrique Calacuayo
# PROFILE

I build hardware that runs,
firmware that works,
and software that ships.

enriquecalacuayo@dcircuits — bash
CAPABILITIES
PCB Design
Schematic capture, layout, DFM/DFT review, prototyping
Embedded Firmware
STM32, ARM Cortex-M, FreeRTOS, bare-metal C/C++
Industrial Automation
Motion control, pneumatics, opto-isolated I/O, sensors
Operational Software
Linux-based systems, Python, TypeScript, Next.js, SQL
Full Product Delivery
From schematic to enclosure — complete hardware builds
RECENT PROJECTS
U1REV B
2025-01-24

Multi-Axis Motion & Pneumatic Control Board (STM32)

Custom control board + firmware integrating multi-axis motor positioning with pneumatic actuator control for an automated production fixture.

HardwareFirmwareSTM32PCBMotion ControlSHIPPED
$ cat MOTION-CTRL-STM32.md →
U2REV B
2025-01-06

Configurable Pulse Generator & Counter Instrument (STM32)

Two-board STM32 instrument that generates and counts configurable pulse trains (including NAMUR-style signals) from a CSV-defined sequence, with opto-isolated I/O, relay outputs, OLED + rotary-encoder UI, and a DIN-rail enclosure.

HardwareFirmwareSTM32PCBInstrumentationSHIPPED
$ cat PULSE-GEN-STM32.md →
$ ls projects/ --all → view all projects
GET IN TOUCH
$ cat resume.md$ cd coffee/$ mail -s contact