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⚙️ Embedded Systems⚡ DSP & Signal Processing📡 IoT & Connected Devices🔒 Security Cameras⚡ EV Charging☀️ Solar & Energy🏠 Smart Home🌐 Home Networking🔌 Low Voltage🧠 AI & Computing🔬 EG3 Labs⚙️ Automation🖥️ Hardware🛠️ Tools & Calculators💻 SoftwareResourcesAbout
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Independent Engineering Analysis
Beyond the Datasheet. Real-World Intelligence.
We bridge the gap between embedded systems engineering and consumer technology. From silicon specifications to field-tested reality.
EG3 Intelligence
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🧠 AI Lawyer Tools Drove 49% Surge in Pro Se Lawsuits🔒 How Do PoE Security Cameras Handle Power Spikes🌐 Managed Switch for VLANs Home Networks Tested🛠️ Factorial Calculator: Exact N!, Digit Count, Trailing Zeros🧠 Openrouter Quick Start & Review 2026: Costs & Tradeoffs🧠 AI Coding Cheatsheet 2026: Local Edge AI Costs🔒 Best Home Security Camera 2026: What the Specs Actually Mean🧠 Persistent Agents and Always-On AI Systems: Hardware Risks🧠 AI Lawyer Tools Drove 49% Surge in Pro Se Lawsuits🔒 How Do PoE Security Cameras Handle Power Spikes🌐 Managed Switch for VLANs Home Networks Tested🛠️ Factorial Calculator: Exact N!, Digit Count, Trailing Zeros🧠 Openrouter Quick Start & Review 2026: Costs & Tradeoffs🧠 AI Coding Cheatsheet 2026: Local Edge AI Costs🔒 Best Home Security Camera 2026: What the Specs Actually Mean🧠 Persistent Agents and Always-On AI Systems: Hardware Risks
Featured Analysis
Latest Engineering Intelligence
In-depth technical analysis based on real-world testing and datasheet deep-dives.
AI & Computing
AI Lawyer Tools Drove 49% Surge in Pro Se Lawsuits
ai lawyer tools are driving a 49% surge in pro se lawsuits. Employment and fair housing cases saw increases in 2025 as non-lawyers use AI to file at scale.
Security Cameras
How Do PoE Security Cameras Handle Power Spikes
How do PoE security cameras handle power spikes? PSE applies 2.7-10.1V to verify 19-26.5kΩ resistance per IEEE 802.3 before 44-57V. This protects PD SoC and
Home Networking
Managed Switch for VLANs Home Networks Tested
A managed switch for VLANs home networks isolates self-hosted services from IoT on separate domains. Routers collapse with frame drops and VLAN leakage.
Tools & Calculators
Factorial Calculator: Exact N!, Digit Count, Trailing Zeros
This factorial calculator computes exact n! up to 1000 with BigInt. Get digit count and trailing zeros using Stirling and Legendre formulas for larger n.
"The future of embedded systems isn't just about processing power—it's about the intelligent intersection of hardware, software, and real-world data."— Josh Ausmus, Founder, TruSentry Security | Technology Editor, EG3
Technology Domains
Engineering Disciplines
Focused expertise across embedded systems, signal processing, and emerging technologies.
Embedded Systems
9 guides
Microcontrollers, firmware, RTOS, and the silicon running your thermostat, doorbell, and every device with a blinking LED.
DSP & Signal Processing
3 guides
Digital signal processing. FFTs, FIR filters, and the math running inside every voice assistant, noise-cancelling headphone, and smart speaker you own.
IoT & Connected Devices
1 guide
Sensor networks, MQTT brokers, LoRaWAN gateways, and the protocols that let a $4 temperature sensor talk to a cloud dashboard 3,000 miles away.
Security Cameras
6 guides
PoE cameras, NVR storage, doorbell cameras, and the signal chains that make 24/7 recording possible on a $3 chip.
EV Charging
2 guides
EVSE controllers, Level 2 circuit requirements, and what actually happens between your breaker panel and your car battery.
Solar & Energy
1 guide
Solar inverters, MPPT algorithms, panel-level optimization, and the 20-50 kHz switching that turns DC into grid-synced AC.
Smart Home
3 guides
Smart thermostats, Zigbee mesh networks, Matter controllers, and why your $250 Ecobee outperforms the $25 generic running the same PID loop.
Home Networking
2 guides
Mesh WiFi, VLANs, PoE switches, and the structured wiring that separates a house with dead zones from one that streams 4K to every room.
Low Voltage
0 guides
Landscape lighting transformers, Cat6 pulls, and the low-voltage wiring that connects your cameras, sensors, and access points without an electrician.
AI & Computing
7 guides
AI models, API costs, agent architecture, prompt engineering, AIEO search optimization, and the infrastructure behind modern AI systems.
EG3 Labs
0 guides
How we built it. Real build logs from production AI systems — data pipelines, document parsers, deployment platforms, and content engines. Built by a non-engineer with AI tools.
Automation
1 guide
No-code AI workflows, data pipelines, and business automation for non-developers. Build tools that work without writing code.
Hardware
2 guides
Monitors, storage, peripherals, and components. Buying guides, comparisons, and the specs that actually matter.
Tools & Calculators
1 guide
Online tools, converters, calculators, and utilities. Convert files, check systems, and solve problems without installing anything.
Software
1 guide
Software testing, DevOps, app development, and the tools that ship code. From unit tests to deployment pipelines.
Interactive Map
Technology Ecosystem
Explore the connections between core technologies and consumer devices.