GitHub - phil-lavin/raspberry-pi-gpio-interrupt: Example written in C demonstrating the use of kernel GPIO interrupts with jitter filtering
![interrupts are not passed to userspace (e.g. poll()) when an interrupts occurs on a gpio pin on a raspberry pi 4 · Issue #5159 · raspberrypi/linux · GitHub interrupts are not passed to userspace (e.g. poll()) when an interrupts occurs on a gpio pin on a raspberry pi 4 · Issue #5159 · raspberrypi/linux · GitHub](https://user-images.githubusercontent.com/85709915/188416932-693c8051-933f-493f-9659-b23fd458f199.png)
interrupts are not passed to userspace (e.g. poll()) when an interrupts occurs on a gpio pin on a raspberry pi 4 · Issue #5159 · raspberrypi/linux · GitHub
![GitHub - fivdi/pigpio: Fast GPIO, PWM, servo control, state change notification and interrupt handling with Node.js on the Raspberry Pi GitHub - fivdi/pigpio: Fast GPIO, PWM, servo control, state change notification and interrupt handling with Node.js on the Raspberry Pi](https://raw.githubusercontent.com/fivdi/pigpio/master/example/distance-hc-sr04.png)
GitHub - fivdi/pigpio: Fast GPIO, PWM, servo control, state change notification and interrupt handling with Node.js on the Raspberry Pi
![Interrupt-driven I/O on Raspberry Pi 3 with LEDs and pushbuttons: rising/falling edge-detection using RPi.GPIO | by R. X. Seger | Medium Interrupt-driven I/O on Raspberry Pi 3 with LEDs and pushbuttons: rising/falling edge-detection using RPi.GPIO | by R. X. Seger | Medium](https://miro.medium.com/v2/resize:fit:1188/1*op17q0c7tofJNA0w_LSupQ.png)