1 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.
Topic
greatscott
12 videos. Ranked by independent recommendations, not by views.
2 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.
3 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.
4 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.
5 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.
6 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.
7 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.
8 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.
9 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.
10 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.
11 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 gem12 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.
