1 Electronic Basics #23: Transistor (MOSFET) as a Switch
An Electronic Basics episode on using a MOSFET as a switch, offered as an introduction to driving higher-voltage loads from a microcontroller pin.
Channel
GreatScott!
39 recommended videos. Channel on YouTube
2 How to reuse the old LCD Screen of your broken Laptop
Shows how to reuse a broken laptop's LCD panel by pairing it with a controller board; pointed to when people want a cheap screen for a Raspberry Pi.
3 Electronic Basics #1: The Multimeter
Recommended as a first stop for anyone unsure how to use a multimeter safely, and as part of a wider electronics basics series.
4 Make your own 10x10 LED Matrix
GreatScott's 10x10 LED matrix build using addressable LEDs, often held up as a good starting point for wall-mounted LED displays and backlit panels.
5 HACKED!: Adding a Current Limit Feature to a Buck/Boost Converter
Adds a current limit to a cheap buck/boost module with a sense resistor and comparator; people borrow the circuit for CC/CV chargers and motor supplies.
6 Electronic Basics
GreatScott's electronic basics playlist, which people have suggested over many years as the starting series for learning what common components are and what they do.
7 Electronic Basics #26: 555 Timer IC
GreatScott's 555 timer explainer, recommended to beginners who want to understand what the chip does and how simple timer and oscillator circuits are built around it.
8 Build your own Variable Lab Bench Power Supply
A build guide for a home made bench power supply based on an LTC3780 module that several people have copied or adapted for their own bench.
9 Electronic Basics #4: Arduino+Bluetooth+Android=Awesome
Often linked as a simple walkthrough for pairing a cheap Bluetooth module with an Arduino and controlling it from an Android phone.
10 Electronic Basics #21: OpAmp (Operational Amplifier)
GreatScott's basics episode on op amps, routinely offered as a quick first explanation of how they are wired and how resistors set the gain.
11 What is worth desoldering from old electronics? || DIY Fume Extractor
A guide to pulling reusable parts from scrap boards and old appliances, with advice on which components are worth the effort of removing.
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 DIY Solar Tracker || How much solar energy can it save?
GreatScott's DIY solar tracker build, recommended as a fun and achievable first Arduino project that people report enjoying.
14 Electronic Basics #3: Programming an Attiny+Homemade Arduino Shield
GreatScott turns an Arduino into a programmer for the ATtiny85, the usual pointer when someone wants to shrink a project onto a smaller chip.
15 DIY Buck/Boost Converter (Flyback) || How to step up/down DC voltage efficiently
Recommended as a dependable explanation of how buck and boost converters change DC voltage, useful if you want to build one rather than buy a module.
16 Ultrasonic Mist Maker || DIY or Buy
A GreatScott build of an ultrasonic mist maker, linked when people ask how to drive a piezo element at megahertz frequencies from a DC supply.
17 Electronic Basics #24: Stepper Motors and how to use them
GreatScott's Electronic Basics episode on stepper motors, offered as a good first explanation of how they step and how to drive them from a microcontroller.
18 HACKED!: Portable DVD Player
A walkthrough of wiring a salvaged portable DVD player screen to a Raspberry Pi, linked for cheap display options when buying new is not wanted.
19 Electronic Basics #5: How to Multiplex
A GreatScott introduction to multiplexing LEDs, linked whenever someone wants to drive many LEDs from a few microcontroller pins.
20 Electronic Basics #22: Transistor (BJT) as a Switch
A GreatScott tutorial on using a bipolar transistor as a switch, recommended when a microcontroller pin needs to drive a buzzer, fan or other load.
21 Turn your lights on with clapping?! || Arduino Clap Circuit
A tutorial for a clap activated switch that drives a relay, recommended as a clear explanation of the design choices for newcomers.
22 How to add WiFi Control to any project || ESP32 Beginner's Guide
GreatScott's guide to adding WiFi to a project with an ESP32, cited for showing the board checking a web page and updating an LED matrix.
23 DIY Class D Audio Amplifier
GreatScott builds a class D audio amplifier with an LC output filter; liked as a project, though followers note details missing from the schematic.
24 Solid State Relay || DIY or Buy
GreatScott! explains solid state relays and why triac based AC units cannot switch DC, cited for its notes on control voltage and failure modes.
25 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.
26 Here is why MOSFET drivers are sometimes essential! || MOSFET Driver Part 1 (Driver, Bootstrapping)
A GreatScott explainer on why a microcontroller pin struggles to switch a MOSFET quickly and how a gate driver circuit solves it.
27 DIY Lab Bench Power Supply
A guide to turning a spare computer power supply into a bench supply, linked both as a suggestion and as the plan people were following.
28 How Does Wireless Charging Work? || Crude Wireless Energy Transfer Circuit
An introduction to how wireless charging works, suggested as a good first watch and credited with explaining the coupling capacitor in the transmitter oscillator.
29 PWM VS Potentiometer! When to use which technique?
A GreatScott comparison of PWM against a variable resistor for dimming or speed control, showing how much power a resistor wastes as heat.
30 How to build your own LED Color Organ || Arduino || MSGEQ7
An Arduino music visualiser build around the MSGEQ7 spectrum chip, pointed to as inspiration for sound reactive lighting projects.
31 AC VS DC - Pain Test (Experiment)
An electrical safety explainer about what voltage and current levels the body can withstand, linked when people ask whether low voltage supplies are dangerous.
32 Make your own SIMPLE 5x5x5 RGB LED Cube (Part 1)
GreatScott's first part of building a 5x5x5 LED cube, widely praised as a detailed and inspiring Arduino LED project.
Hidden gem33 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.
34 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.
35 How to remove buzzing/noise from a cheap Bluetooth Music Receiver? (Experiment)
GreatScott tracks down buzzing from a cheap Bluetooth audio receiver and tries fixes; recommended for ground loop noise and the isolated DC-DC converter cure.
36 How to Easily create Animations for your LED Matrix
A companion video on programming custom LED animations, offered to people who have built an LED display and want to make it do more.
37 Make your own Ambient Lighting with the Raspberry Pi Zero
A GreatScott! guide to driving APA102 addressable LEDs from a Raspberry Pi, recommended as a solid walkthrough to follow.
38 How does Induction Heating Work? || DIY Induction Heater Circuit
A DIY induction heater build that people copy and refer back to, though at least one builder reported overheating MOSFETs.
39 Make your own Super Simple Ultrasonic Mist Maker
GreatScott builds an ultrasonic mist maker from a piezo disc, 555 timer, MOSFET and inductor; often referenced when people ask how the drive circuit produces oscillation.
