User Tools

Site Tools


projects:portable-led-bar

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision
Previous revision
projects:portable-led-bar [2021/03/21 17:22] lepiprojects:portable-led-bar [2021/03/21 20:57] (current) lepi
Line 5: Line 5:
  | repo=[[github>lepi00/portable-led-bar]]  | repo=[[github>lepi00/portable-led-bar]]
 }} }}
 +\\ \\
 +=== DISCLAIMER: ===
 +=== This is not yet a finished project intended as instructions but only a means to share progress on the project. ===
 +=== This might be dangerous to attempt !!! ===
 +=== If you attempt to follow any of this, you do it at your own risk. ===
 \\ \\ \\ \\
 === Adapting a mains AC led bar to work with a battery of 18650s === === Adapting a mains AC led bar to work with a battery of 18650s ===
 by [[people:lepi:start|lepi]](lepi at-a hackerspace.pl) by [[people:lepi:start|lepi]](lepi at-a hackerspace.pl)
 +\\
 +{{:projects:portable-led-bar_batteries.jpg?direct|}} {{:projects:portable-led-bar_voltage.jpg?direct|}}
 +\\ \\
 +{{:projects:portable-led-bar_ingredients_r0.1_1024.jpg?direct|}}
 +
 \\ \\ \\ \\
 KiCAD files: KiCAD files:
 [[https://github.com/lepi00/portable-led-bar/tree/main/kiCAD-portable-led-bar]] [[https://github.com/lepi00/portable-led-bar/tree/main/kiCAD-portable-led-bar]]
 +
 +Revision 0.1\\
 +{{:projects:portable-led-bar_kicad_0.1.png?direct|}}
  
 \\ \\ \\ \\
-== Intro ==+=== Intro ===
 The purpose of this project is to adapt a 220AC UV LED-Bar to work with 18650 cells. The purpose of this project is to adapt a 220AC UV LED-Bar to work with 18650 cells.
 \\ \\ \\ \\
 I have just started learning electronics, and my knowledge is very basic. I have just started learning electronics, and my knowledge is very basic.
 \\ \\ \\ \\ \\ \\
-= Specifications =+== Specifications ==
  
 The LED Bar - Light4Me LED UV 8 The LED Bar - Light4Me LED UV 8
Line 60: Line 73:
 === The Story === === The Story ===
 \\ \\
-== Revision 0.1 ==+=== Revision 0.1 ===
  
 A friend of mine performs POI with POI-tails that are neon-yellow. The thing is made to shine in UV light.   A friend of mine performs POI with POI-tails that are neon-yellow. The thing is made to shine in UV light.  
Line 80: Line 93:
    - Charging  voltage would have to be 8 * 4.2 V = 33.6 V    - Charging  voltage would have to be 8 * 4.2 V = 33.6 V
 \\ \\ \\ \\
-Parallel...+== Parallel... ==
  - I have a TP4056 03962A Lithium Battery Charger with protection module  - I have a TP4056 03962A Lithium Battery Charger with protection module
    - [[03962A description]](https://www.epal.pk/product/tp4056-lithium-battery-charger-with-protection-module/)    - [[03962A description]](https://www.epal.pk/product/tp4056-lithium-battery-charger-with-protection-module/)
Line 87: Line 100:
  - Also wiring LEDs in parallel would if I understand correctly require to put at least 40 cm * 8 = 3.2 m of thick wire - that might be difficult.  - Also wiring LEDs in parallel would if I understand correctly require to put at least 40 cm * 8 = 3.2 m of thick wire - that might be difficult.
 \\ \\ \\ \\
-In-series...+== In-series... ==
  - A friend informed me to the fact, that I could use an external 33.6V charger which seemed to be easier.  - A friend informed me to the fact, that I could use an external 33.6V charger which seemed to be easier.
  - And also that I could use LM317 to regulate current out of the cells to LED's  - And also that I could use LM317 to regulate current out of the cells to LED's
Line 98: Line 111:
  - to rethink if I need all LEDs in-series  - to rethink if I need all LEDs in-series
 \\ \\ \\ \\
-Next Steps: +=== Next Steps: === 
- - Research Emeryth's suggestions+ - Research Emeryth's suggestions\\
  - Find a solution to connecting the cells  - Find a solution to connecting the cells
    - decide whether to solder the cells (dangerous, potentially capacity hindering)    - decide whether to solder the cells (dangerous, potentially capacity hindering)
Line 106: Line 119:
    - remember to discharge cells before in case of soldering    - remember to discharge cells before in case of soldering
 \\ \\ \\ \\
-Notes: +Notes:\\ 
- - https://pl.aliexpress.com/item/1000001962896.html+ - https://pl.aliexpress.com/item/1000001962896.html\\
  - https://lcamtuf.coredump.cx/electronics/  - https://lcamtuf.coredump.cx/electronics/
  
projects/portable-led-bar.1616347350.txt.gz · Last modified: 2021/03/21 17:22 by lepi

Donate Powered by PHP Valid HTML5 Valid CSS Driven by DokuWiki