Firmware
A time-of-flight proximity sensor's accuracy depends entirely on three calibrated numbers: an offset correction, a crosstalk coefficient, and a reference SPAD count. Without them, the sensor's distance readings carry systematic errors of tens of millimetres — enough to misfire a capture trigger or miss a detection event
Software
The "Silent" Signals As pet parents, we are fluent in the "loud" dialects of our companions: the joyful bark at the door, the insistent nuzzle for a walk, or the rhythmic thumping of a wagging tail. But chronic health issues in pets rarely speak this loudly.
Product
Most mechanical and electromechanical systems are validated for peak performance—maximum load, worst-case scenarios, and failure limits. But in real-world products, especially those used daily, the bigger challenge isn’t surviving peak load—it’s operating reliably under continuous load over time. At Hoomanely, this distinction became critical while building
AI
How we achieved fully automated, production-grade image labeling by adding VLM validation as the final quality gate The Problem: The Last 15% of Labels Were Garbage We had built a sophisticated three-stage pipeline (YOLO → Grounding DINO → SAM3) that could generate thousands of segmentation labels automatically. But there was a problem:
Firmware
When you're building a sensor module that must capture high-resolution images, store them reliably across power cycles, and ship them over a constrained CAN FD bus — all at the same time — you run into a fundamental problem. No single memory tier does all three jobs well. External PSRAM
From Raw Bayer to JPEG on STM32H5 in ~200ms When a Camera Sensor Captures an Image When a camera sensor captures an image, it does not directly produce a photograph. Instead, it generates a grid of raw intensity values arranged behind a color filter mosaic. On a desktop system, converting
Product
Introduction Time-of-Flight (ToF) sensors promise simple, accurate distance measurement—drop them into a design, read distance, and trigger behavior. But in real products, especially enclosed ones, proximity sensing quickly becomes a mechanical + optical system problem, not just an electrical one. While working with the VL53L1X ToF sensor at Hoomanely, what
Hardware
Bring-up is where hardware stops being theoretical. You power the board for the first time, and suddenly everything that looked clean in schematics becomes a question: * Is this rail actually up? * Is it stable or just momentarily present? * Did the regulator enable correctly? * Is the downstream load pulling it down?
Hardware
Most embedded systems are designed around what should be present. Sensors, modules, peripherals — all assumed to be connected, powered, and behaving correctly. But real systems don’t live in ideal conditions. * A connector may not be fully seated * A sensor board may be missing in a modular setup * A cable
Technology, Insights and Ideas.
Hardware
Rework is not an exception in hardware development. It is part of the process. Boards are probed, components are replaced, connectors are re-soldered, tracks are modified, and sometimes entire sections are rebuilt — all before the design reaches stability. Yet most boards are not designed with rework in mind. They are
Firmware
A time-of-flight proximity sensor's accuracy depends entirely on three calibrated numbers: an offset correction, a crosstalk coefficient, and a reference SPAD count. Without them, the sensor's distance readings carry systematic errors of tens of millimetres — enough to misfire a capture trigger or miss a detection event
Software
The "Silent" Signals As pet parents, we are fluent in the "loud" dialects of our companions: the joyful bark at the door, the insistent nuzzle for a walk, or the rhythmic thumping of a wagging tail. But chronic health issues in pets rarely speak this loudly.
Product
Most mechanical and electromechanical systems are validated for peak performance—maximum load, worst-case scenarios, and failure limits. But in real-world products, especially those used daily, the bigger challenge isn’t surviving peak load—it’s operating reliably under continuous load over time. At Hoomanely, this distinction became critical while building
AI
How we achieved fully automated, production-grade image labeling by adding VLM validation as the final quality gate The Problem: The Last 15% of Labels Were Garbage We had built a sophisticated three-stage pipeline (YOLO → Grounding DINO → SAM3) that could generate thousands of segmentation labels automatically. But there was a problem:
Firmware
When you're building a sensor module that must capture high-resolution images, store them reliably across power cycles, and ship them over a constrained CAN FD bus — all at the same time — you run into a fundamental problem. No single memory tier does all three jobs well. External PSRAM
From Raw Bayer to JPEG on STM32H5 in ~200ms When a Camera Sensor Captures an Image When a camera sensor captures an image, it does not directly produce a photograph. Instead, it generates a grid of raw intensity values arranged behind a color filter mosaic. On a desktop system, converting
Product
Introduction Time-of-Flight (ToF) sensors promise simple, accurate distance measurement—drop them into a design, read distance, and trigger behavior. But in real products, especially enclosed ones, proximity sensing quickly becomes a mechanical + optical system problem, not just an electrical one. While working with the VL53L1X ToF sensor at Hoomanely, what
Hardware
Bring-up is where hardware stops being theoretical. You power the board for the first time, and suddenly everything that looked clean in schematics becomes a question: * Is this rail actually up? * Is it stable or just momentarily present? * Did the regulator enable correctly? * Is the downstream load pulling it down?
Hardware
Most embedded systems are designed around what should be present. Sensors, modules, peripherals — all assumed to be connected, powered, and behaving correctly. But real systems don’t live in ideal conditions. * A connector may not be fully seated * A sensor board may be missing in a modular setup * A cable