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embedded-systems

Debouncing a button in firmware with a time window or a state change

taught

Taught in

Requires

Required by

Local knowledge map

Local knowledge map

Building a room controller around a table-driven state… Naming the ways a device's connection fails (access point,… Running several timers and state machines in one loop as a tiny… Designing a finite state machine with states, events and… Scanning a keypad matrix and decoding a rotary encoder Using Hall-effect sensors and quadrature encoders to sense… Debouncing a button in firmware with a time window or a state… Measuring distance with ultrasonic timing, time-of-fligh… Reading a sensor datasheet for supply range, interface,… Recognizing which embedded-systems skills (non-blocking… Scheduling reconnect attempts with exponential backoff,… Choosing switch types, reading a potentiometer as a… Timing with millis() and rollover-safe unsigned subtraction Choosing integer types by width on 8-bit vs 32-bit… Computing an RC time constant and using the 63% and 5τ rules for… Computing and choosing resistors for a voltage divider's… Explaining why delay() makes a sketch miss inputs

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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.