5PCS LED Driver 2.8V-6V 1.5A 30-1500MA Constant Current PWM Control Board Module | eBay
Joule Thief High Efficiency LED with 1.5 Volt Battery
Single cell (1.2 or 1.5V) LED inverter (Joule thief)
1.5V LED Driver Using 555 Timer IC | Circuit Diagram
Old CFL Circuit to LED Driver //1.5v to 4v led light - YouTube
1.5V 555 LED Driver Experiment
DiodesZetex PAM2808BLBR LED Driver IC, 2.5 → 6 V dc 1.5A 8-Pin SOP | RS
Adjustable Current LED Driver, DC 3.3V 3.7V 5V LED Driver 30-1500mA Constant Current Adjustable Module for LED 18650 Li-ion: Amazon.com: Industrial & Scientific