#power-supply-units
15 episodes
#4396: Can a Credit Card Power Bank Really Charge Your Phone?
The physics of fitting a full phone charge into a 5mm credit card power bank — and what actually works today.
#4385: USB-C Charging Station for Your Tool Belt
Can you build a custom charging station for your tool belt? We break down the electrical engineering behind USB-C Power Delivery.
#4284: Kill the Wall-Warts: Centralized DC Power for Your Rack
Ditch the brick sprawl. One power supply, one distribution panel, and a huge efficiency gain for your homelab.
#4273: UPS vs Generator: Where's the Line Now?
Lithium batteries are making home UPSs bigger and cheaper. But when does a generator still win?
#4077: Is Bosch's Entry Pro Drill Actually Good?
Daniel's new Bosch feels amazing after years of a Xiaomi screwdriver. Is it genuinely good, or just a big upgrade?
#3810: What's Inside Those Fenced Electrical Compounds?
Distribution substations step down high voltage for neighborhoods. Here's how they work and why we need them.
#3058: How to Get 15 Hours of Light From Your UPS
Turn your UPS into an emergency light source with the right LED bulb, NUT, and Home Assistant automation.
#2885: How to Choose Your First Real Drill
Voltage numbers are misleading. Here’s what actually matters when buying a drill that will last.
#2621: Wartime Ingenuity: Powering Connectivity in a Faraday Cage
Four 18650 cells can't stack to 230V. The secret is switching, not stacking.
#2358: ESP32 vs Raspberry Pi: The Microcontroller Mindshift
Why your smart thermostat doesn’t run Linux—and why that’s a feature. The surprising differences between microcontrollers and single-board computers.
#2256: The One-Charger Dream: Specs, Trade-offs, and Reality
Drowning in chargers? We break down the specs for a single, powerful desktop charging station that can handle laptops, phones, and more—and where t...
#896: The Hidden Trap of Power Allocation
Stop settling for slow charging. Learn how GaN 6 and high-wattage hubs are redefining bedside power and reliability for 2026.
#708: The Long Tail of Tech's Environmental Burden
Discover why mixing power cables can fry your PC and how a lack of industry standards creates a massive environmental and safety crisis.
#562: The BIFL PC: Building for Industrial-Grade Durability
Can a PC be "Buy It For Life"? Herman and Corn explore how to source industrial-grade components for a build that stands the test of time.
#405: What Your Power Supply's Efficiency Rating Actually Means
Is your power supply killing your PC? Herman and Corn dive into the hidden world of PSUs, efficiency ratings, and server reliability.