1 EEVblog #831 - Power A Micro With No Power Pin!
Demonstrates a microcontroller running through the protection diodes on its I/O pins with the supply pin disconnected; cited whenever a supposedly unpowered chip keeps working.
Topic
power supply
22 videos. Ranked by independent recommendations, not by views.
2 How to protect circuits from reversed voltage polarity!
Compares diode and P-channel MOSFET reverse polarity protection, showing the MOSFET wastes far less power; a common reference when adding input protection to a board.
3 EEVBlog #1116 - How to Remove Power Supply Ripple
Dave Jones shows that linear regulators reject little high frequency ripple and demonstrates a capacitance multiplier as a cheap fix; a regular link in ripple filtering questions.
4 #79: Op Amp Power Supply Considerations: split, single, virtual ground, etc. - a tutorial
Alan Wolke compares split, single and virtual-ground supplies for op amps; people use it to work out how to bias inputs from a single battery.
5 Voltage regulator tutorial & USB gadget charger circuit
A beginner tutorial on linear regulators such as the 7805, ending with a USB charger circuit; suggested to people powering an Arduino or Raspberry Pi.
6 Diode Tutorial & How to build an AC to DC power supply
Covers diode basics and builds a transformer, rectifier and capacitor power supply; recommended within a beginner series, including on why parallel diodes do not share current.
7 LM317 Adjustable Voltage Regulator Tutorial
An Afrotechmods tutorial on building a variable linear power supply around the LM317, often suggested as a first analogue project.
8 EEVblog #594 - How To Measure Power Supply Ripple & Noise
Dave Jones covers measuring power supply ripple and noise with an oscilloscope; a 40 minute episode cited when probing switching converters shows misleading spikes.
9 #47 Power Saving with ESP8266 (Sleep Mode) Tutorial with some Tricks
Andreas Spiess covers ESP8266 sleep modes and measures its current spikes; cited both for low-power design and for why the module needs decent supply capacitance.
10 Crappy PSU analysis
A teardown and analysis of a cheap USB power supply, cited when people ask how to test chargers and whether bargain units are safe.
11 Ridiculously Cheap Voltage Regulator Board uses LM2596 SMPS Chip
An introduction to cheap LM2596 step-down converter modules, linked for anyone wanting to understand what these boards do before buying one.
12 DIY Buck Converter || How to step down DC voltage efficiently
GreatScott builds a DIY buck converter with an Arduino driving a MOSFET, cited as a clear way to understand how step-down switching converters work.
13 Buck converter vs. linear voltage regulator - practical comparison
Compares a buck converter and a linear regulator on the bench for efficiency and output noise; cited when choosing how to drop voltage in battery projects.
14 DC-DC Boost converter tutorial
A short, intuitive introduction to how a boost converter raises voltage, recommended to anyone who needs the basics before building or choosing one.
15 EEVblog #244 - How To Lay Out A PCB - PSU Design Part 9
Dave Jones laying out a real power supply board, often named as the main video to watch for PCB layout best practice once a schematic exists.
16 EEVblog #314 - Korad KA3005P PSU Teardown
An EEVblog teardown of a programmable bench power supply, cited for its remote interfaces and a note on tinned exposed traces for current.
17 5$ Arduino WiFi Module!? ESP8266 mini Tutorial/Review
A five minute introduction to the bare ESP8266 module, covering how to power and wire it up, recommended as essential before a first ESP-01 project.
18 DIY Boost Converter || How to step up DC voltage efficiently
Cited as a hands-on build of a small step-up boost converter driven by an ATtiny85, used as a reference for DIY power conversion.
19 USB Type-C Power Delivery Trigger Board || DIY or Buy
Cited as a GreatScott video that explains some of how USB-C works and shows a ready-made USB-PD trigger board being used to obtain a higher voltage.
20 What is a Transformer? An Electrical Transformer Tutorial
Opening video of a power supply series that explains transformers before later parts cover rectifiers and regulators, recommended to beginners building a first linear supply.
21 EEVblog #1036 - PSU Fire PCB Repair
An EEVblog repair of a fire damaged power supply board, linked to show both how a small capacitor can fail and how charred board material is removed.
22 Raspberry Pi Zero Extreme Teardown
An electronupdate teardown that decaps a Raspberry Pi's BCM2835 and inspects the board's power supply parts, cited for low level hardware details.
