The moment you get a MAX30100 pulse oximeter and heartrate sensor breakout board, you can move on to the process of making your own perfect pulse oximeter. But is making one as easy as you […]
Recently while searching for little floating toys, I came across some inexpensive Chinese LED pool lamps. Most sellers described them as water-activated lotus/lily LED flower lamps. Out of curiosity, I purchased a few of them […]
A couple of months after its release, ultimately, I got a hand on the Raspberry Pi Pico, and posted a few hobby projects here. The RPi Pico is a microcontroller board centered on the RP2040 which’s […]
Some time ago my neighbor asked me to design a better light sensor module. In fact, he already has a few small light sensor modules to automatically control the lights in his barn. Those cheap […]
Have you ever wondered what’s inside this cheap Chinese Solar LED Lantern Torch? Although it appears like a safe and beautiful emergency lamp, be aware that it has the potential to kill you through its […]
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 […]
This title is a bit exaggerated, I agree, but the following writeup is actually about controlling LEDs and Buzzers using Raspberry Pi Pico. At first, this may seem like a simple topic, but here you […]
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 […]
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 […]
Nostalgia is often caused by something that reminds you of a happy time. Is it not so? Oh, I’m not into nostalgia, but looking back to find some wonders from the past. So, let me […]
