How Do LED Flashlights Work? - STKR Concepts
Simple High Power LED Flashlight Circuit
LED-flashlight circuit works at voltages as low as 0.5V - EDN
power supply - In Chinese Led torch how does the LED automatically light down when recharging? - Electrical Engineering Stack Exchange
How to Make a LED Flashlight Circuit | Homemade Circuit Projects
Simple Flashlight LED Torch Circuit using CD4049 IC
Flashlight Circuit: How to build a DIY Flashlight Circuit
LED Torch Uses Blocking Oscillator - EEWeb
Simple LED Torch Circuit Diagram using 4049 IC
LED Torch Project | Detailed Circuit Diagram Available
A high power LED flashlight
LED Torch | ElecHelp
High-efficiency LED driver circuit | Details | Hackaday.io
Green LED Flashlight | Detailed Circuit Diagram Available
Handy Bright Light Circuit
Reverse Engineered Schematics
How to Make a LED Flashlight Circuit | Homemade Circuit Projects
Flashlight Circuit: How to build a DIY Flashlight Circuit
Pocket white-LED torch is power efficient - EDN
LED Torch circuit diagram and instructions
Flashlight | Circuit Diagram – Nik Kinnaird
Explore Electricity with IEEE-USA: Build a Simple LED Flashlight - IEEE-USA
LED Flashlight Tinkering | WIRED
LED Torch : 4 Steps - Instructables
