modified 1 month ago

Solar Voltage Sensor - Charging condition

00:12:44

Set the ADj resistor to 40% then execute run.
Then adj the resistor to 2.34vdc(72.4%) to see the signals running.

When the DC voltage of 13.6v(battery) near the Adj resistor (preset to 2.34vdc). The LM555 (purple signal ) starts to oscillate at ~200khz
When the DC voltage (battery) reaches 14.8vdc. The purple signal stops.
LED is triggered on to indicate a fully changed battery. the other DC power (solar panel) is a constant variable at 14.6vdc (possibly higher. The Oamp used for this setup is the LM324 quad

published 1 month ago

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