Poor man’s Lost Model Alarm (LMA)
Ever lost your radio-controlled aircraft in a jungly field? Well, even a simple lost model alarm detects its location. Following is a couple of design ideas for making your own poor man’s lost model alarm […]
Poor man’s Dog Silencer/Whistle
Everybody knows that a dog barks to get his/her master’s attention, to alert other dogs, to announce that they’re scared or in danger, and for a variety of other reasons too. However, if your dog […]
Learn to Use Arduino MF Shield
I have just chanced the need to read some sensors for another personal project. However, the project needs a couple of blinkers and beepers apart from the intended sensors. So, I figure to just use […]
5800B – Another Mystic Light Sensor
With one of my automotive electronics projects I am wanting to add a couple of light-dependent resistors (LDRs), also called as photoresistors, and to do that I did a thorough search to discover the best […]
Spark Transmitter & Receiver (another dirty diy trick)
The first radio transmitters of the early 1900s were known as spark-gap transmitters. Spark-gap transmitters were broadly used on board ships where they provided the first means of communication to shore-based stations. As the name […]
A Mighty LED Flasher
I still believed electronics hobby can be promoted through the application of nostalgic components and circuits. This is a meek try to inspire someone learning and experimenting with basic electronics circuits, or to wake up […]
LM2596S Module – A Trivial Tale
There are different types of cheap Chinese dc-dc buck converter modules. The most popular module still widely available is one with the LM2596S adjustable regulator, it’s a pretty old design, though. You can buy this […]
Aquarium Cooler Fan
A while back I made a mighty aquarium cooler fan which initially was going to have an Arduino microcontroller to control the automatic cooling system but I moved to a Digispak board when I found […]
Nap Zapper Alarm? Don’t Buy! Do It Yourself!!
Everyone knows about the anti-sleep alarms that can keep us awake while we’re driving. There are two types of anti-sleep alarms – the first (and costly) type of alarm is built right into the vehicle […]
Arduino Infrared (IR) Guide – Part 1
As a beginner, Arduino microcontroller is probably your best bet. So, this time get ready to learn how to build Arduino based infrared (IR) remote control projects at ease! Assume that you’re in the process […]