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News
I Built an ESP32 Gateway for My Victron Solar Setup — No App Needed
1+ hour, 36+ min ago (141+ words) If you've ever used Victron Energy gear for your solar setup, you know the pain: you need the VictronConnect app, Bluetooth pairing, and you can only monitor from one device at a time. So I built Victron Remote Gateway — an…...
Industrial Heater Sizing Calculator with JavaScript
1+ day, 4+ hour ago (678+ words) How to Build an Industrial Electric Heater Sizing Calculator with JavaScript Selecting the correct power for an industrial electric heater is not always straightforward. If the heater is too small, the system may take too long to reach the desired…...
Architecting a Reactive Geofencing Engine on Android Without Battery Drain
2+ day, 20+ hour ago (1724+ words) It was the middle of a Friday afternoon, and I was sitting in the back row of a lecture hall when my phone decided to perform a full-volume rendition of an upbeat ringtone. The professor stopped mid-sentence. Two hundred students…...
The Chip That Has No ADC but Still Knows When Its Battery Is Low
1+ week, 2+ day ago (526+ words) Somewhere out in the field, a tiny battery-powered sensor is quietly dying. No warning light, no alert, nothing. One day it just stops responding, and nobody knows why until someone finally goes and checks it by hand. How do you…...
ssb-validate v0.1.0: cribado honesto de electrolitos solidos con ground truth de Materials Project
2+ week, 2+ day ago (247+ words) Validador de coherencia para electrolitos solidos (SSE). Contrasta candidatos contra dos ground truth independientes: el convex hull de Materials Project (estabilidad) y el benchmark publico arXiv 2601.10997 (conductividad). No predice propiedades; valida que lo que tu modelo generativo propone tiene sentido…...
Overnight mobile sensing without murdering the battery: field-tested tactics
3+ week, 2+ day ago (587+ words) Battery is the silent killer of always-on mobile sensing. If your app records or samples through the whole night, you are one bad release away from a 40% overnight drain and a one-star review that just says "killed my battery." Some…...
Nobody Told Me Motors Needed Software Too
3+ week, 3+ day ago (445+ words) Automation is the art of making machines perform tasks automatically using software, sensors, motors, and controllers. Think of it as programming, but instead of updating a screen, your code controls real-world movements and actions. In simple terms, it's where software…...
The $4,900 Humanoid Robot Changes Everything
3+ week, 4+ day ago (812+ words) 📖 Read the full version with charts and embedded sources on ComputeLeap → But here's what the breathless headlines won't tell you: price is falling faster than capability. The gap between what this robot costs and what it can actually do is…...
Chapter 8. Stage 3 - Engine
3+ week, 4+ day ago (1700+ words) 8.0 What Engine Means The Engine stage begins when a B2B Enterprise company has a repeatable wedge - a defined ICP, a sales motion that closes deals without the founder in every conversation, and a product that delivers value reliably to customers who…...
Why FSRS Is Better Than SM-2
3+ week, 6+ day ago (1098+ words) Most flashcard users never look at what algorithm schedules their reviews. They tap "Good," see the next card, and move on. But the scheduling algorithm matters more than the app's interface, its price, or how many decks it ships with....