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attiny13a-battery-level-indicator's Introduction

Attiny13A based Li-ion battery level indicator

Overview

Features

  • 100% (> 3.9V), 75% (> 3.7V), 50% (> 3.5V), 25% (> 3.3V) indication
  • Overvoltage (> 4.25V) and low voltage (< 3.3V) indication
  • Two indication modes with optional fade animation
  • Adjustable brightness of each channel
  • Input voltage: 2.7V to 5V

Showcase

All LEDs / single LED mode

all single

Overvoltage

h_all h_single

Low voltage

low

Circuit diagram

diagram

3D printable housing

STL file: /hardware/housing.stl

housing

Ways to support me

If you liked my project, feel free to say "Thank you" ๐Ÿ˜Š

PayPal Yandex.Money
paypal Yandex.Money

attiny13a-battery-level-indicator's People

Contributors

sinuxvr avatar

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