What is an Interrupt in the 8085 Microprocessor?
Sep 8, 2025 · 4 min read · In the 8085 microprocessor, an interrupt is a signal that temporarily halts the normal execution of the main program, forcing the microprocessor to execute a special subroutine called an Interrupt Service Routine (ISR). After completing the ISR, the ...
Join discussion
How to use a timer interrupt to blink an LED at a fixed rate?
Aug 22, 2025 · 3 min read · Here’s a real-world pattern: use a hardware timer interrupt to blink an LED at a fixed rate while the main loop keeps doing other work (e.g., reading sensors, talking over serial). I’ll show an Arduino Uno (AVR) version first, then quick notes for ES...
Join discussion
Understanding GPIO Interrupts in Embedded Systems
Jul 19, 2025 · 6 min read · 🔃Quick Recap of Interrupts and ISRs In embedded systems, Interrupts Service Routines(ISRs) allow microcontrollers to respond to external or internal events immediately, without constantly polling for changes. This makes your code efficient and respo...
Join discussionComputer Architecture
Oct 6, 2023 · 4 min read · John Von Neumann Architecture He is considered one of the greatest mathematicians and computer scientists of the 1900s who came up with an innovative, simple, elegant architecture of what a computer is. It is often referred to as 'Stored Program Con...
Join discussion
Tips for working with interrupts in embedded systems
Dec 24, 2022 · 2 min read · Interrupts are a common feature of embedded systems, allowing the processor to temporarily halt its current task and execute a specific routine in response to an external event. Interrupts can be triggered by a variety of sources, such as a timer, a ...
Join discussion
Interrupt Based Timer for ATmega328P
Jun 5, 2022 · 5 min read · Why use interrupt based timers? There is two main approaches when it comes to delaying something in embedded systems. In most basic terms, busy waiting is the act of giving a long and unnecessary work to the CPU, so you can block it from processing ...
Join discussion