ESP8266 — GPIO LED and Safe Current
Drive an LED with a calculated resistor and verify HIGH/LOW voltage. Program and practical guide for ESP8266.
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Drive an LED with a calculated resistor and verify HIGH/LOW voltage. Program and practical guide for ESP8266.
Read a button reliably using a timed software debounce state. Program and practical guide for ESP8266.
Sequence three outputs without blocking delays. Program and practical guide for ESP8266.
Convert ADC samples to calibrated input voltage. Program and practical guide for ESP8266.
Sample a temperature sensor and report threshold alarms. Program and practical guide for ESP8266.
Use a light sensor with hysteresis to control an output. Program and practical guide for ESP8266.
Generate PWM and sweep duty cycle while measuring average voltage. Program and practical guide for ESP8266.
Generate an audible square wave safely through a suitable driver. Program and practical guide for ESP8266.
Map an analogue command to standard servo pulse width. Program and practical guide for ESP8266.
Sequence a stepper driver with bounded acceleration timing. Program and practical guide for ESP8266.
Control motor speed through a protected MOSFET or driver stage. Program and practical guide for ESP8266.
Control a low-voltage relay driver with safe default and timeout. Program and practical guide for ESP8266.
Parse bounded serial commands and return deterministic responses. Program and practical guide for ESP8266.
Scan valid 7-bit addresses and report responding devices. Program and practical guide for ESP8266.
Send an identification command and validate the returned bytes. Program and practical guide for ESP8266.
Render live sensor values and status without blocking acquisition. Program and practical guide for ESP8266.
Build a button-driven menu with clear state transitions. Program and practical guide for ESP8266.
Record validated samples with timestamp and error flags. Program and practical guide for ESP8266.
Trigger scheduled actions while handling invalid time data. Program and practical guide for ESP8266.
Count input pulses safely and calculate frequency outside the ISR. Program and practical guide for ESP8266.
Run periodic tasks from deadlines instead of blocking delays. Program and practical guide for ESP8266.
Feed the watchdog only after critical health checks pass. Program and practical guide for ESP8266.
Sample briefly, store state and enter the deepest appropriate sleep. Program and practical guide for ESP8266.
Implement bounded PID control with anti-windup and output limits. Program and practical guide for ESP8266.
Test identity, rails, GPIO and buses and export a pass/fail record. Program and practical guide for ESP8266.
Drive an LED with a calculated resistor and verify HIGH/LOW voltage. Program and practical guide for ESP32.
Read a button reliably using a timed software debounce state. Program and practical guide for ESP32.
Sequence three outputs without blocking delays. Program and practical guide for ESP32.
Convert ADC samples to calibrated input voltage. Program and practical guide for ESP32.
Sample a temperature sensor and report threshold alarms. Program and practical guide for ESP32.
Use a light sensor with hysteresis to control an output. Program and practical guide for ESP32.
Generate PWM and sweep duty cycle while measuring average voltage. Program and practical guide for ESP32.
Generate an audible square wave safely through a suitable driver. Program and practical guide for ESP32.
Map an analogue command to standard servo pulse width. Program and practical guide for ESP32.
Sequence a stepper driver with bounded acceleration timing. Program and practical guide for ESP32.
Control motor speed through a protected MOSFET or driver stage. Program and practical guide for ESP32.
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