Content for Project

Redesigned MCP23017 Breakout

“A completely redesigned MCP23017 IO expander breakout, easy to use and breadboard friendly. New style MCP23017 Breakout – Top view There will not be a lot of obvious differences at first, but if we look closely, here are the changes:– In …

Responsive Soundbars for Speakers

“Hi everyone, On this Instructables, I will explain how I manage to add responsive soundbars to my Z200 Logitech speaker. I think this project will work similarly on other types of speakers. The main idea is to fix the sound …

Reverse-engineering the conditional jump circuitry in the 8086 processor

“Intel introduced the 8086 microprocessor in 1978 and it had a huge influence on computing. I’m reverse-engineering the 8086 by examining the circuitry on its silicon die and in this blog post I take a look at how conditional …

Reverse-engineering the Intel 8086 processor’s HALT circuits

“The 8086 processor was introduced in 1978 and has greatly influenced modern computing through the x86 architecture. One unusual instruction in this processor is HLT, which stops the processor and puts it in a halt state. In this blog post …

Project  Stroboscope

Stroboscope

“A simple tool to measure speeds of rotating objects Stroboscope is a flashing light that can provide light pulses at a variable rate. When a rotating object is observed in a powerful beam of pulsed light with the frequency of …

AD9833 Function Generator

“Build a function generator with an Arduino Nano and a AD9833 Programmable Waveform Generator module. The purpose of the project was to test the Analog Devices AD9833 Programmable Waveform Generator chip. On eBay, Ali-Express and other similar sites you can …

Project  Beep Beep

Beep Beep

“In order to prevent colony collapse syndrome, we have created an autonomous embedded system to help beekeepers During our 4th year at Polytech Sorbonne, we took part in the conception and set-up of a monitoring embedded system applied on hives …

Chicken Egg Incubator with Arduino

“This is a tutorial for how to make a DIY chicken egg incubator from scratch (pun intended) with Arduino! Fully automated incubator! Story I have some chickens, but I want some more! Buying chicks at the store would be way …

Counting the transistors in the 8086 processor: it’s harder than you might think

“How many transistors are in Intel’s 8086 processor? This seems like a straightforward question, but it doesn’t have a straightforward answer. Most sources say that this processor has 29,000 transistors.1 However, I have traced out every …

DNS DriveBy: Stealthy GPS Tracking Using Open Wi-Fi

“How I created a $10 ESP8266 GPS Tracker that uses Open Wi-Fi networks & DNS exfiltration for communication. Low-Cost Tracking Challenge In a recent Hak5 episode, I took part in a challenge to track our elusive friend, Irish, and determine the …