Make Your Own LED Battery Level Indicator
Make Your Own LED Battery Level Indicator
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SAKO on Instagram: "Battery Level Indicator – Connection Explanation This circuit is a simple LED battery level indicator designed for a 3.7V lithium battery. Components used: • 3.7V battery • 4 LEDs (Red, Yellow, Blue, Green) • 4 resistors (220Ω and 470Ω) • 3 diodes (1N4007) ⸻ How the circuit works: 1. Battery connection • The positive (+) terminal of the 3.7V battery is connected to the left vertical red line. • The negative (–) terminal is connected to the right vertical black line. 2. Diodes
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SAKO on Instagram: "Battery Level Indicator – Connection Explanation This circuit is a simple LED battery level indicator designed for a 3.7V lithium battery. Components used: • 3.7V battery • 4 LEDs (Red, Yellow, Blue, Green) • 4 resistors (220Ω and 470Ω) • 3 diodes (1N4007) ⸻ How the circuit works: 1. Battery connection • The positive (+) terminal of the 3.7V battery is connected to the left vertical red line. • The negative (–) terminal is connected to the right vertical black line. 2. Diodes
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