ESP32 — RTC Alarm Scheduler
Trigger scheduled actions while handling invalid time data. Program and practical guide for ESP32.
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Project Collection: Beginner Foundations
ESP32 — Interrupt Pulse Counter
Count input pulses safely and calculate frequency outside the ISR. Program and practical guide for ESP32.
Read more →ESP32 — Timer Periodic Scheduler
Run periodic tasks from deadlines instead of blocking delays. Program and practical guide for ESP32.
Read more →ESP32 — Watchdog Recovery Monitor
Feed the watchdog only after critical health checks pass. Program and practical guide for ESP32.
Read more →ESP32 — Low-Power Sensor Node
Sample briefly, store state and enter the deepest appropriate sleep. Program and practical guide for ESP32.
Read more →ESP32 — PID Temperature Controller
Implement bounded PID control with anti-windup and output limits. Program and practical guide for ESP32.
Read more →ESP32 — GPIO LED and Safe Current
Drive an LED with a calculated resistor and verify HIGH/LOW voltage. Program and practical guide for ESP32.
Read more →ESP32 — Push Button Debounce
Read a button reliably using a timed software debounce state. Program and practical guide for ESP32.
Read more →ESP32 — Traffic Light State Machine
Sequence three outputs without blocking delays. Program and practical guide for ESP32.
Read more →ESP32 — Potentiometer ADC Voltmeter
Convert ADC samples to calibrated input voltage. Program and practical guide for ESP32.
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