Topic

resistor selection

3 videos. Ranked by independent recommendations, not by views.

1. 

   1 Designing a Li-Ion Battery Gauge with the LM3914 - EEVblog #204

   EEVblog 6 people · 6 months · since May 2012

   Recommended as a worked design of an LED battery level indicator using the LM3914, and valued for showing how resistor values are calculated with Ohm's law.

2. 

   2 Calculate LED Forward Voltage

   field16b 3 people · 3 months · since Jun 2014

   Helpful for working out the forward voltage of an unidentified LED with basic tools, so that a suitable series resistor can be chosen.

3. 

   3 Picking Pull-Up Resistor Values | AO #25

   AddOhms 3 people · 3 months · since Jun 2018

   AddOhms explainer on choosing pull-up values, cited for the practical rule that the exact figure rarely matters; viewers wanting the calculation looked elsewhere.