battery indicator

  1. norova

    LM324 Comaprator with leds, slow glow effect

    Hello!, I've made a custom pcb using comaprator circuit LM324. The purpose with this circuit is to create a led-bar 1-10 with leds ... The issue is that when the leds shifts from one level to another, it has a tendence to flicker, becuase of the digital on/off from the comparators. What I...
  2. Danirov

    Fail: Low battery indicator blink and dim

    Hi! I would be very grateful if you can help me. I have been building some circuits to turn on a LED when the battery is low (images), but there is a problem: The led dim and blink between the OFF and fully ON state for some minutes. My circuit consumes 0.23A and is supplied by a 3.7v/1400mAh...
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