This library enables you to use Interrupt from Hardware Timers on an ESP32-based board. It now supports 16 ISR-based timers, while consuming only 1 hardware Timer. Timers' interval is very long (ulong millisecs). The most important feature is they're ISR-based timers. Therefore, their executions are not blocked by bad-behaving functions or tasks…

This library enables you to use Interrupt from Hardware Timers on supported Arduino boards such as AVR, ESP8266, ESP32, SAMD, SAM DUE, nRF52, Teensy, etc. These Hardware Timers, using Interrupt, still work even if other functions are blocking. Moreover, they are much more precise (certainly depending on clock frequency accuracy) than other softw…

This library enables you to use Interrupt from Hardware Timers on an ESP32, ESP32_S2 or ESP32_C3-based board to create and output PWM to pins. It now supports 16 ISR-based synchronized PWM channels, while consuming only 1 Hardware Timer. PWM interval can be very long (uint32_t millisecs). The most important feature is they're ISR-based PWM chann…

⏱️ A fully featured stop watch made in 8086 Assembly Language, having two modes: Split Timing and Lap Timing

This library enables you to use Interrupt from Hardware Timers on an ESP32, ESP32_S2, ESP32_S3 or ESP32_C3-based board. It now supports 16 ISR-based timers, while consuming only 1 Hardware Timer. Timers' interval is very long (ulong millisecs). The most important feature is they're ISR-based timers. Therefore, their executions are not blocked by…

This library enables you to use ISR-based PWM channels on RP2040-based boards, such as ADAFRUIT_FEATHER_RP2040, RASPBERRY_PI_PICO, with arduino-pico core to create and output PWM any GPIO pin. The most important feature is they're ISR-based PWM channels, supporting lower PWM frequencies with suitable accuracy. Their executions are not blocked by…

This library enables you to use ISR-based PWM channels on AVR-based boards, such as Mega-2560, UNO,Nano, Leonardo, etc., to create and output PWM any GPIO pin. It now supports 16 ISR-based PWM channels, while consuming only 1 Hardware Timer. PWM channel interval can be very long (ulong microsecs / millisecs). The most important feature is they'r…

This library enables you to use Interrupt from Hardware Timers on an ATmega4809-based board, such as Arduino UNO WiFi Rev2, AVR_NANO_EVERY, etc. It now supports 16 ISR-based timers, while consuming only 1 hardware Timer. Timers' interval is very long (ulong millisecs). The most important feature is they're ISR-based timers. Therefore, their exec…

This project is a bare-metal OS for the Raspberry Pi 4.

Yet another Button Library this time for ESP32 Arduino IDE with GPIO Interrupt and Timer Interrupt for debounce

This library enables you to use Interrupt from Hardware Timers on Arduino AVR ATtiny-based boards (ATtiny3217, etc.) using megaTinyCore. These ATtiny Hardware Timers, using Interrupt, still work even if other functions are blocking. Moreover, they are much more precise (certainly depending on clock frequency accuracy) than other software timers …

This library enables you to use Hardware Timers on an STM32H7-based Portenta_H7 board to create and output PWM to pins. These PWM channels, using Portenta_H7 Hardware Timers, still work even if other functions are blocking. Moreover, they are much more precise (certainly depending on clock frequency accuracy) than other software or ISR-based PWM…

A digital clock and calendar with alarm functionality developed on STM32F401 using DS1307 RTC for time keeping. It includes a LCD based user interface to set time, date and alarm using interrupt based multiple push buttons.

various programs for attiny13a

This library enables you to use Hardware Timers on SAMD21/SAMD51 boards to create and output PWM to pins. These PWM channels, using SAMD21/SAMD51 Hardware Timers, still work even if other functions are blocking. Moreover, they are much more precise (certainly depending on clock frequency accuracy) than other software timers using millis() or mic…

This library enables you to use ISR-based PWM channels on RP2040-based boards, such as Nano_RP2040_Connect, RASPBERRY_PI_PICO, with Arduino-mbed (mbed_nano or mbed_rp2040) core to create and output PWM any GPIO pin. The most important feature is they're ISR-based PWM channels, supporting lower PWM frequencies with suitable accuracy. Their execut…

This library enables you to use ISR-based PWM channels on Teensy boards, such as Teensy 2.x, Teensy LC, Teensy 3.x, Teensy 4.x, Teensy MicroMod, etc., to create and output PWM any GPIO pin. It now supports 16 ISR-based PWM channels, while consuming only 1 Hardware Timer. PWM channel interval can be very long (ulong microsecs / millisecs). The mo…

This library enables you to use Interrupt from Hardware Timers on an ESP32-S2-based board. These ESP32-S2 Hardware Timers, using Interrupt, still work even if other functions are blocking. Moreover, they are much more precise (certainly depending on clock frequency accuracy) than other software timers using millis() or micros(). That's mandatory…

Non-blocking driver written in C for the proximity Ultrasonic Sensor HC-SR04 specifically the ATmega328P used on the Arduino Uno

This library enables you to use Hardware Timers on STM32F/L/H/G/WB/MP1 boards to create and output PWM to pins. The most important feature is they're purely hardware-based PWM channels. Therefore, their executions are not blocked by bad-behaving functions or tasks. This important feature is absolutely necessary for mission-critical tasks. These …