Poor man’s RC Battle Switch/RC Relay
This is quite a fun little project that can easily help you to build a battle switch for your radio-controlled (RC) model aircraft. The reality is the basic design can be used and/or adapted to […]
Residential Electronic Pest Deterrent
There’re many residential electronic pest deterrent circuits on the web, and with some research, you will be able to build one yourself for your pest situation. The most practical and cheerful residential pest deterrent solution […]
Audio Induction Loop Receiver (Quirky Ideas)
Little version of the audio induction loop receiver presented here can serve a variety of purposes. It is extremely useful for receiving audio from an audio induction loop transmitter or any other source that generates […]
Arduino Larson Scanner
This is the simple way to play with a Larson Scanner. Just buy a Larson Scanner kit like the one shown above and start up the system. This quite popular open-source hardware 9-LED Larson Scanner […]
Solar LED Book Light
You never know what kind of funny gizmos you’ll find online, especially when you’ve a bunch of notifications configured to go off when such wonders pop up. I even find myself searching for something despite […]
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 […]
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 […]
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 […]