Content for Project

Reverse engineering the 76477 “Space Invaders” sound effect chip from die photos

“Remember the old video game Space Invaders? Some of its sound effects were provided by a chip called the 76477 Complex Sound Generation chip. While the sound effects1 produced by this 1978 chip seem primitive today, it was used in …

Soil Water Level Status Using ESP8266

“Hi friends, in this instructable we will learn to get the status of the water content of the soil in which the plant is growing. We will send an E-Mail which will display the water content in the soil. Here …

Spiderbot V2 - Robot Car

“Spiderbot V2 is an upgrade version of my last project: https://www.instructables.com/id/3D-printed-Transformers-Robot-Spiderbot/ . The Spiderbot is inspired by the “Transformers”. It is a RC quadruped robot and has two modes of operation: spider and vehicle, just like …

Project  StripClock

StripClock

“This is actually a project I did quite a while ago (the git repository goes back to September 2014), when the WS2812 LEDs became really popular and ubiquitous. Naturally, I had to get a 5 metre strip of them as …

The Annoy-O-Bug: A Chirping Light-Up Throwie

“Stick this little electronic device practically anywhere and watch your friends go crazy as it beeps and blinks. They won’t find it! Small enough to slip in a mint tin, yet loud enough to be heard across a house …

Web Clock Version 2.0

“This digital clock is based on ESP8266 WIFI micro-controller unit. The flavor used for project design and creation is WEMOS D1 mini which is equipped with a ESP-12F (ESP8266), a 5v to 3.3v regulator, a CH340G USB to …

3D Printed Lathe

“Before I begin at the moment I am waiting for final parts to take all my pictures for the sake of this instructable. I am going to post this before I finish so people can have an earlier access. I …

A Printed Three-wheeled Smart Car Kit

“This design is based on the Freenove Three-wheeled Smart Car Kit for Arduino Uno Robot Wireless Ultrasonic kit. The only place to get these shields.”

Beacon Keyer

“This is likely the first ham radio related project that I document here on this blog. But my very first PIC project was a beacon keyer that I made for my father, HB9BBD. That was was in 2013. A beacon …

Bi-directional Communication Robot

“Most of the robot work on uni-directional commands like Bluetooth, joystick etc. But what if you want some data back to your transmitter ? This project creates a bi-directional system, that is data is send and received continuously.”