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Voltage Level Indicator Circuit Design using LM339 for 9 Volts Battery Charger Voltage

An interactive circuit built in the DCACLab online simulator by supot sookpotharom. Open it to run the simulation and measure it.

Preview of Voltage Level Indicator Circuit Design using LM339 for 9 Volts Battery Charger Voltage
Open in the lab Embed The simulation runs as a demo that pauses after two minutes; open it in the lab to keep going.

Tags

Switch Potentiometer LED Battery Resistor Multimeter Diode Op-Amp

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By supot sookpotharom
Saved October 08, 2026
27 views
Page: dcaclab.com/circuits/87814-voltage-level-indicator-circuit-design-using-lm339-for-9-volts-battery-charger-voltage

Embed this circuit

<iframe src="https://dcaclab.com/experiments/87814-voltage-level-indicator-circuit-design-using-lm339-for-9-volts-battery-charger-voltage/iframe" width="560" height="410" frameborder="0"></iframe>

Cite: sookpotharom, s. (2026). Voltage Level Indicator Circuit Design using LM339 for 9 Volts Battery Charger Voltage. DCACLab. https://dcaclab.com/circuits/87814-voltage-level-indicator-circuit-design-using-lm339-for-9-volts-battery-charger-voltage

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