GreatScott!’s most viewed videos of 2017
Lifetime totals, not views in this range.
Snapshot from 19 Oct 2026.
- Rank 1:

Free Energy BS! || Magnet PC Fan, Bedini Motor
- Rank 2:

How does Induction Heating Work? || DIY Induction Heater Circuit
- Rank 3:

How to Solder properly || Through-hole (THT) & Surface-mount (SMD)
- Rank 4:

Make your own ESC || BLDC Motor Driver (Part 1)
- Rank 5:

How to add WiFi Control to any project || ESP32 Beginner's Guide
- Rank 6:

How to Waterproof Electronics || Nail Polish, Silicone, Potting Compound
- Rank 7:

Make your own GPS SMS Security Tracking System
- Rank 8:

HACKED!: Using an HDD Motor as a Rotary Encoder?!
- Rank 9:

Make your own Li-Ion Battery Pack
- Rank 10:

DIY Soldering Station
- Rank 11:

Electronic Basics #28: IGBT and when to use them
- Rank 12:

Electronic Basics #33: Strain Gauge/Load Cell and how to use them to measure weight
- Rank 13:

Solid State Relay || DIY or Buy
- Rank 14:

Microscopes for SMD Soldering || $15 VS $45 VS $189
- Rank 15:

Make your own Tesla Coil (Part 1) || Slayer Exciter Circuit
- Rank 16:

DIY Class D Audio Amplifier
- Rank 17:

Ultrasonic Mist Maker || DIY or Buy
- Rank 18:

Arduino Basics 101: Hardware Overview, Fundamental Code Commands
- Rank 19:

Electronics & Water? What could possibly go wrong?
- Rank 20:

HACKED!: ATX Power Supply with Variable Output Voltage?
- Rank 21:

Voice-over Microphone || DIY or Buy
- Rank 22:

DIY LiPo Charge/Protect/5V Boost Circuit
- Rank 23:

HACKED!: CRT TV becomes a crude Oscilloscope
- Rank 24:

Make your own ESC || BLDC Motor Driver (Part 2)
- Rank 25:

DIY Short Circuit (Overcurrent) Protection
- Rank 26:

Make your own crude Cocktail Machine
- Rank 27:

How NOT to Mill a PCB (except for SMD)
- Rank 28:

7$ Function Generator VS 107$ Function Generator
- Rank 29:

Make your own Tesla Coil (Part 2) || SSTC, IGBT Full Bridge, Interrupter
- Rank 30:

HACKED!: Adding a Current Limit Feature to a Buck/Boost Converter
- Rank 31:

Electronic Basics #31: Schottky Diode & Zener Diode
- Rank 32:

2$ LiPo Charger & Boost Converter? || TP5410 Test
- Rank 33:

DIY Arc Lighter
- Rank 34:

MPPT VS PWM || Solar Charge Controller
- Rank 35:

Electronic Basics #32: Relays & Optocouplers
- Rank 36:

DIY WiFi RGB LED Lamp || ESP8266 & Blynk
- Rank 37:

Make your own Simple Theremin
- Rank 38:

Arduino Basics 102: Control Structures, Variables, Interrupts
- Rank 39:

Electronic Basics #29: Solar Panel & Charge Controller
- Rank 40:

Make your own Tesla Coil (Part 3) || Playing Music, Feedback, DRSSTC
- Rank 41:

Make your own POV LED Globe
- Rank 42:

DIY SLA 3D Printer Kit (Moai) Review
- Rank 43:

Electronic Basics #27: ADC (Analog to Digital Converter)
- Rank 44:

Electronic Basics #30: Microcontroller (Arduino) Timers
- Rank 45:

Make your own Photovoltaic Off-Grid System
- Rank 46:

HACKED!: TV Remote becomes an RF Remote || nRF24L01+
- Rank 47:

Arduino Basics 103: Library, Port Manipulation, Bit Math, Faster PWM/ADC
- Rank 48:

600$ Electric Skateboard (Koowheel) Review/Teardown
- Rank 49:

DIY Portable LED Panel (Part 2) - the electronics
- Rank 50:

Delta Go - Desktop 3D Printer Review || $450 Delta 3D Printer