What's New

Bug Fixed

App Description

- If you connect a LED directly to the battery, you may damage the LED because the current is too large.
- This app allows you to easily calculate the optimal resistance value for the LED.

iPhone Screenshots

(click to enlarge)

LED-R:LED電流制限抵抗器の計算 screenshot 1 LED-R:LED電流制限抵抗器の計算 screenshot 2

App Changes

  • December 31, 2014 Initial release
  • November 22, 2015 New version 1.1.1
  • December 16, 2015 New version 1.2.0
  • March 13, 2016 New version 1.3.0
  • July 11, 2016 New version 1.5.1
  • November 09, 2016 New version 1.6.0
  • November 13, 2016 New version 1.7.0
  • December 20, 2016 New version 1.8.0