1 Designing a Li-Ion Battery Gauge with the LM3914 - EEVblog #204
Dave Jones designs a Li-ion battery gauge with the LM3914 and works through the resistor values with Ohm's law; recommended for seeing the design process.
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Dave Jones designs a Li-ion battery gauge with the LM3914 and works through the resistor values with Ohm's law; recommended for seeing the design process.
A guide to setting up auto bed levelling on a 3D printer with an inductive sensor, including how to drop its 12 volt output safely for an Arduino input.
Recommended for working through BJT voltage divider bias calculations, including replacing the base network with its Thevenin equivalent before analysing an amplifier.
A guide to reading an ultrasonic distance sensor from a Raspberry Pi, including a resistor divider to drop the 5V echo signal for the GPIO pins.
An explanation of how voltage dividers work, commonly linked when a beginner needs the idea of splitting a voltage across resistors.