Matchbox Magic Lamp v1
This post is about the construction of a multi-colored matchbox-sized magic lamp for kids using a simple and cheap microcontroller board. The most interesting thing about this build is that it does not require any […]
Soldering Iron Tip Thermometer – Little Secrets!
Whether you are a soldering artist or not, checking your soldering iron out should be a steady routine. So, it’s always good to have a soldering iron tip thermometer handy. There’re different types of tip […]
FOTEK SSRs – Just Another Quick Guide
This little post is about the quite popular FOTEK Solid State Relay (FOTEK SSR). First note that FOTEK is a well-known brand in China and a FOTEK SSR will last a long time. But sadly, […]
Raspberry Pi Pico RGB LED Orb Light
I made this as a Christmas present last year. This is a small color-changing RGB LED orb light controlled by Raspberry Pi Pico. I got the inspiration for this project from the Chinese-made USB-rechargeable color-changing […]
MiniSense 100 Vibration Sensor Primer
Since every machine has its own vibration signature, drifts in a machine’s vibration can indicate potential faults. There’re multiple types of vibration sensors available to keep tabs on a machine’s vibration, and a widely used […]
LED Inverter Lamp – Quick Teardown
Prolonged blackouts have always been an annoyance, but with the help of today’s portable inverter lamps/bulbs, tackling them has become much easier. Below you can see such an affordable LED Inverter Lamp from Osram (India). […]
RC Hobby Servo PWM vs PPM
This quick intro post tells you something about converting radio-control (RC) hobby servo pulse width modulation (PWM) signals to pulse position modulation (PPM) signals using commonly available systems and components. At this time, you can […]
Mini PCB Drill Speed Controller v1
This post explains how to build a mini PCB drill speed controller using a handful of common components you may already have stocked in your home lab. First off, let me say that this idea […]
Crazy Bomb Timer
In this post, you will find the construction details of a crazy bomb timer that can be built with the help of a handful of common electronics components available everywhere. Well, get ready to entertain […]
Flashing Yellow Gate Light for Automatic Gate/Garage Door
Flashing yellow lights are an essential part of sliding/swing gate and garage door automation systems, since they provide a clear indication that the system is installed and in operation. Thanks to LED technology, the total […]