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embedded-systems

Computing an RC time constant and using the 63% and 5τ rules for delays and debouncing

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Local knowledge map

Local knowledge map

Debouncing a button in firmware with a time window or a state… Driving a relay coil safely, with a flyback diode, and reading… Using diodes for one-way flow, flyback protection,… Choosing switch types, reading a potentiometer as a… Explaining the voltage spike when current through a coil is… Smoothing PWM into a steady voltage with an RC low-pass filter,… Computing an RC time constant and using the 63% and 5τ rules for… Computing a PWM signal's duty cycle and average voltage,… Computing and choosing resistors for a voltage divider's… Computing power with P = VI and checking it against a part's… Finding equivalent resistance, and the current and voltage o… Measuring voltage, current, resistance and continuity safely… Using a pull-up or pull-down resistor to give an input a… Explaining what a capacitor stores, polarity, and why… Using V = IR to find a missing voltage, current, or resistance Describing current as the flow rate of charge, in… Treating voltage as a difference between two points, measured…

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Solid arrows are required prerequisites; dashed are recommended or helpful. Lower rows are more foundational. Click any box to jump to that concept.