Module LED indicator of battery charge level 12V on LM339

Description

A simple module with the ability to indicate the charge level of a 12V battery.

Displays 4 level:

• 100% – 80%: green LED
• 80% – 50%: yellow - 1 LED
• 50% – 20%: yellow-2 LED
• 20% – 0%: red LED

dimensions, mm: 22 x 17