Uploaded October 2025 | Updated September 2026, 2 weeks ago
Discover how this ultra low voltage LED circuit achieves a new record under 20 millivolts! Learn of the 8 steps, circuit tweaks, and components that made the LED light at the lowest voltage ever seen.
This video explores an ultra low voltage LED circuit that may push the limits of electronics. By experimenting with resistors, coils, and MOSFETs, we can drive LEDs at a record-breaking 17.7 millivolts — the lowest operating voltage yet on this channel!
You’ll see each modification step-by-step, including coil rewinds, grounding tricks, and a parallel FET setup. Whether you’re into low power electronics, free energy experiments, Joule thief circuits, or ultra-efficient LED drivers, this deep-dive is packed with ideas you can test yourself.
⚡ Expect:
8 key modifications that cut voltage lower than ever before
Practical applications for hobbyists & experimenters
A new benchmark in milliVolt LED performance
👉 Subscribe if you enjoy low voltage circuits, energy harvesting, LED experiments, and electronics innovation.
Chapters:
0:00 Intro & Previous Findings
0:42 Resistor Swap & First AAA Battery Test
1:32 Flash Rate Adjustments Explained
2:00 Blocking Oscillator Comparisons
3:40 New Coil Build & Testing Results
4:36 Strange Flashing & Carry-On Effect
5:25 MilliVolt Readings & Grounding Discovery
6:50 Breaking the 30mV Barrier
7:47 Parallel LEDs for Lower Voltage Drop
8:55 Testing 3x K117 LEDs & Load Effects
9:59 Voltage Sweep & New Record at 17.7mV
Enjoy my Playlists -
Wireless Electricity: youtube.com/watch?v=yYoYyuR1KuI&list=PLIhGrBMUdssWpFSLW1hznwNqXWpCxhDRQ
Electronics Projects: youtube.com/watch?v=F4nfaYkGvQI&list=PLIhGrBMUdssWLQWtW4dWWGgh25XG3HXek
Solar Projects: youtube.com/watch?v=nmKfxI4MTTs&list=PLIhGrBMUdssXu9Pmduvopm02_7IMz8d3M
Reviews: youtube.com/watch?v=8jAJysXXsw8&list=PLIhGrBMUdssUYzRgA1mrp18zwpTtClmov
💼 Business and reviews email:
youtube.scoop273@passinbox.com
#LowVoltage #LEDexperiment #ElectronicsDIY #CircuitBuild #EnergyHarvesting #FreeEnergy #ElectronicsHobbyist #LEDcircuit
Discover how this ultra low voltage LED circuit achieves a new record under 20 millivolts! Learn of the 8 steps, circuit tweaks, and components that made the LED light at the lowest voltage ever seen.
This video explores an ultra low voltage LED circuit that may push the limits of electronics. By experimenting with resistors, coils, and MOSFETs, we can drive LEDs at a record-breaking 17.7 millivolts — the lowest operating voltage yet on this channel!
You’ll see each modification step-by-step, including coil rewinds, grounding tricks, and a parallel FET setup. Whether you’re into low power electronics, free energy experiments, Joule thief circuits, or ultra-efficient LED drivers, this deep-dive is packed with ideas you can test yourself.
⚡ Expect:
8 key modifications that cut voltage lower than ever before
Practical applications for hobbyists & experimenters
A new benchmark in milliVolt LED performance
👉 Subscribe if you enjoy low voltage circuits, energy harvesting, LED experiments, and electronics innovation.
Chapters:
0:00 Intro & Previous Findings
0:42 Resistor Swap & First AAA Battery Test
1:32 Flash Rate Adjustments Explained
2:00 Blocking Oscillator Comparisons
3:40 New Coil Build & Testing Results
4:36 Strange Flashing & Carry-On Effect
5:25 MilliVolt Readings & Grounding Discovery
6:50 Breaking the 30mV Barrier
7:47 Parallel LEDs for Lower Voltage Drop
8:55 Testing 3x K117 LEDs & Load Effects
9:59 Voltage Sweep & New Record at 17.7mV
Enjoy my Playlists -
Wireless Electricity: youtube.com/watch?v=yYoYyuR1KuI&list=PLIhGrBMUdssWpFSLW1hznwNqXWpCxhDRQ
Electronics Projects: youtube.com/watch?v=F4nfaYkGvQI&list=PLIhGrBMUdssWLQWtW4dWWGgh25XG3HXek
Solar Projects: youtube.com/watch?v=nmKfxI4MTTs&list=PLIhGrBMUdssXu9Pmduvopm02_7IMz8d3M
Reviews: youtube.com/watch?v=8jAJysXXsw8&list=PLIhGrBMUdssUYzRgA1mrp18zwpTtClmov
💼 Business and reviews email:
youtube.scoop273@passinbox.com
#LowVoltage #LEDexperiment #ElectronicsDIY #CircuitBuild #EnergyHarvesting #FreeEnergy #ElectronicsHobbyist #LEDcircuit










