GreatScott Courses

Exploring Programmable Logic Controllers (PLCs) - Not Just Microcontrollers

1 rating

Explore Programmable Logic Controllers (PLCs) as an alternative to microcontrollers, with demonstrations of Arduino Opta hardware, programming examples, and practical applications like conveyor belt control.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

Converting Heat to Electricity Using Peltier Modules - A Home Power Generation Test

Explore the practical application of Peltier modules for converting fireplace heat into electricity, with real-world testing and performance analysis of home-scale heat generators.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

Building a Better Audio Amplifier - From BJT to MOSFET Design

Explore the evolution of a simple audio amplifier design, comparing BJT, Darlington, and MOSFET configurations to achieve better power output for driving loudspeakers.

• YouTube
• 14 minutes
• Self-Paced
• Free Video

Digital Spirit Level Hack for Cordless Drills

Discover how to create a digital spirit level for your drill using an accelerometer IC and LED feedback system, improving accuracy and precision in drilling projects.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

Building a Better Voice Assistant - ESP32 Voice Recognition Alternative to Alexa

Explore voice recognition alternatives to Alexa by building a custom ESP32-S3 voice assistant with better reliability for smart home control.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

Cheapest Inverter + Premium Parts - Surprising Results

Discover how upgrading a budget solar inverter with premium Silicon Carbide MOSFETs dramatically improves efficiency and performance through detailed testing and analysis.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

It is IMPOSSIBLE to Make the Ultimate USB-C Cable - High-Speed

Discover the engineering challenges behind creating high-speed USB-C cables, exploring shielding, twisted wires, EMI, and why the "ultimate" cable might be impossible to achieve.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

No WiFi? No Problem! Long-Range Communication with LoRa and Meshtastic

Explore LoRa wireless communication and Meshtastic technology for long-range connectivity without WiFi, including hardware setup, range testing, and practical DIY applications.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

Fixing the Loud Fan Problem in Cheap Projectors

Explore solutions to reduce loud fan noise in budget projectors through heatsink modifications, thermal paste replacement, and fan upgrades for a quieter viewing experience.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

The Harsh Truth about FPGAs - You Should Avoid Them?!

Explore the reality of FPGA development through hands-on examples, comparing their capabilities with microcontrollers and uncovering when to use or avoid these powerful chips.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

From Meh to WOW - Improving Thermostat Accuracy with Temperature Sensor Hacking

Discover how to fix inaccurate thermostats with a simple hardware hack, improving temperature measurement precision from 1-2°C deviation to reliable readings.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

The Amazing Secret in Every Battery - Understanding Fuel Gauges and Battery State of Charge

Discover why voltage-based battery indicators fail and explore modern fuel gauge ICs like the BQ27441 for accurate state-of-charge monitoring in your electronics projects.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

This Tech Knows Where You Are - Ultra Wide Band (UWB) Technology

Discover Ultra Wide Band (UWB) technology and its precise positioning capabilities through hands-on testing with commercial boards and practical applications.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

E-Ink Display Home Upgrade - Smart Calendar Dashboard

Discover how to build a power-efficient E-Ink calendar display that connects to Google Calendar and shows upcoming events for your smart home setup.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

DIY Bluetooth Low Energy Beacon vs Commercial Smart Tags - Cost Comparison

Explore building DIY Bluetooth Low Energy beacons vs buying commercial smart tags, comparing costs, features, and power efficiency in this hands-on electronics project.

• YouTube
• 11 minutes
• Self-Paced
• Free Video