LED-R：LED電流制限抵抗器の計算 app for iPhone and iPad

4.2 ( 4672 ratings )

Utilities Productivity
Developer: MASAYUKI FUNAMI

Free

Current version: 1.9.0, last update: 7 years ago
First release : 30 Dec 2014
App size: 14.92 Mb

- 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.