Introduction: Make LED Light With DCDC and 18650
Make LED light with series connected 3 LEDs and step up DC-DC module powered by 18650.
Step 1: Items List
0805 5% 1/8W SMD chip resistor 100R http://s.click.aliexpress.com/e/3D7BrvIu
MT3608 2A Max DC-DC Step Up Power Module http://s.click.aliexpress.com/e/lxyBOYdi
Double Conductive Copper Foil Tape http://s.click.aliexpress.com/e/Fl8fy0Xe
2:1 Transparent Clear Heat Shrink Tube http://s.click.aliexpress.com/e/t8KA09f2
3.7v 18650 Lithium Rechargeable Battery http://s.click.aliexpress.com/e/3vKcIN0c
PH2.0 2p 3p 4 pin 2.0mm Pitch Terminal http://s.click.aliexpress.com/e/tgjXNoDi
Round Metal Grip Clips Silver Bulldog Clip http://s.click.aliexpress.com/e/lky6dbri
Heat Gun http://s.click.aliexpress.com/e/e3b7LZK0
Mini Slide Switch http://s.click.aliexpress.com/e/sqbK57iY
Step 2: Appearance
Series connected 3 LEDs, Switch and resistor with copper tape on DC-DC module.
Step 3: 1. Put a Copper Tape
Put a copper tape on the DC-DC module.
Cut them and solder parts.
Step 4: 2. Cover With Shrinkable Tube
Cover module with shrinkable tube and clip with bulldog clips.
Step 5: 3. Done
Cut tube then done.