Free Simple Circuit Diagram
The circuit of battery monitor below uses 3 separate LEDs. Voltage level between 6v to below 11v will turn the red LED on and will turn off above 11v. Between 11v and 13v will turn the orange LED on and will turn off above 13v. The green LED illuminates above 13v. [Source: talkinglelectronics.com]
Read moreUsing a dual-colour LED and few surrounding components, we can make a very simple battery monitor. This battery monitor circuit is suitable for monitoring your car battery, enrich your dashboard with cool and functional accessory. Orange colour is produced by LED when the red and green LEDs are illuminted. The red LED illuminates below 10.5v, green LED illuminates above 11.6v, […]
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