Toy Car Signal Light & Siren
This post showcases an example project I made to help you add a terrific signal light and siren to almost all toy cars. As we all know, cheap remote control (radio control) toy cars (R/C […]
Wet Floor Warning LED Sign
It’s human nature to let our guard down temporarily and be distracted by random thoughts or doing multiple activities. A momentary lapse of attention that ends in a slip can led to a variety of […]
Quick OLED Thermometer v1
After getting my new soldering iron tip thermometer, I got inspired by that idea and decided to design a quick digital thermometer for general use. By the way, the soldering iron tip thermometer is an […]
Funny TV Faker (v1)
The Funny TV Faker project presented here is in fact a portable TV Light Simulator. A commercial television light simulator device has a bunch of flashing and flickering lamps to simulate the light of a […]
Arduino PCM Audio Primer
In this primer, we’ll learn how to play an audio file thru Arduino without using any external modules. Here we’re going to use the pulse code modulation (PCM) audio technique with the help of a […]
Arduino Audio – Refined Primer
At this time, we’re going to generate various sounds using an Arduino microcontroller! We’ll initially make sound using a regular piezoelectric buzzer which makes use of a material that has piezoelectric properties. When a material […]
I2C LED Knight Rider
I have already posted two Knight Rider and Larsen Scanner LED projects online. You can go through these to access them Arduino Knight Rider Arduino Larson Scanner. Or you can buy yourself an inexpensive Knight […]
Tricolor Temperature Display
Quite recently I got a stainless-steel vacuum flask with a digital temperature readout integrated on its top lid. When I touch the top of the lid it simply displays the inside temperature of the container […]
Poor man’s Blow Switch
You may often see the musical instrument Melodica on stage shows. From Wikipedia (https://en.wikipedia.org/wiki/Melodica) melodica is a small, light, and portable free-reed instrument similar to the pump organ and harmonica. It has a musical keyboard […]
Home Theatre & A/V Cabinet Cooling Fan Controller
Shoving all your home theatre device into a single cabinet makes sense when you want to keep your living room neat and tidy. But there’s just one (usually overlooked) problem – overheating. Yes, with a […]