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