MCP4725 I2C DAC Module – Quick Entry
For a while now, I’ve had need of a simple digital to analog converter circuit to be able to work with an Arduino microcontroller. To this end, I had a good search around and eventually […]
L293D Arduino Motor Driver Shield – A Quick Walk
On COVID-19 lockdown days, I came across several motor driver modules in my scrap box in the attic – surprisingly most of them are unused Chinese modules. The L293 Arduino Motor Driver Shield, in particular, […]
Arduino & Advanced 16-bit PWM
Hi there! Last week I finally managed to get an Arduino delivering a 16-bit PWM (pulse width modulation) output from a nifty piece of code. Is the experiment finished? Of course not. Anyway, in this […]
Build Light Indicator – Arduino Inside!
I recently got my hands on a string of COB LED modules with lens for a big project – smart driveway marker. I’m still tweaking things but I’m planning to share the project soon enough. […]
Making an Acrylic Display with Arduino
While I was browsing the listing of art and craft materials on Amazon, I chanced upon acrylic sheets but I didn’t consider much of it. In fact, given a great discount offer to buy a […]
Magic Cup Light Module – Quick Tries
What is a Magic Cup Light Module you may be asking yourself? Well it’s an inexpensive Chinese module comprises a small mercury tilt switch and a light emitting diode. In this article, I’m going to […]
Arduino Moon Lamp DIY
If your family loves stargazing, that’s great because here you can find a quick idea to make your inexpensive own moon lamp for your kid’s bedroom. All you need is a bunch of easily available […]
How To Use MQ-135 Gas Sensor
A Gas sensor serves to detect and measure the concentration of gas in the environment. Nowadays you can find many different types of easy to use gas sensors, especially in MQ series. In this article, […]
Arduino Morse Code Practice Oscillator
Morse code almost not need an explanation! Anyway simply note that it’s a telegraph code in which letters and numbers are represented by strings of dots and dashes (short and long signals). Learning and practicing […]
Arduino Inside Automatic Staircase Light
Here’s an automatic minder to keep your stairway alighted while you’re near to it. One presence sensor wired to a microcontroller scans its environs and automatically activates a light source when it sees an object. […]