What is sound energy and how does it interact with a non-Newtonian fluid (https://en.wikipedia.org/wiki/Non-Newtonian_fluid)? This is just an attempt to get a variety of non-Newtonian materials “dancing” on a subwoofer using sound waves. Inspiration – […]
Nowadays you can see many dc power supply modules equipped with an additional remote-controlled shutdown (or on/off) feature. It allows you to control the power supply output with a signal switch or transistor. Some time […]
Described here is the do-it-yourself project of a simple self-dimming lamp. The self-dimming lamp is powered by a rechargeable 9V battery and features a push-button switch that triggers one bright LED as the emitter and […]
The power sequence is the sequence in which the power is applied and shut down between steps in a sequence. A power sequence is used when there are devices with different power supply voltages mixed […]
Most commercial model rocket launch controllers available to buy are either expensive or do not have desired features. After a lot of Googling, I found nothing that fits my little budget. Actually, I wanted a […]
If you’re an audiophile, often you have to purchase rotary audio input selector switches for your home audio projects. You can of course buy such selector switches and selector switch modules via usual online channels […]
This is the concluding part of the LED strobe article published last year (https://www.codrey.com/electronic-circuits/led-strobe-primer-part-1/). During this long period (sorry for the inadvertent delay) I have already shared several strobe light ideas. But the sequel to […]
Welcome to the lovely sound of analog electronics! Now I’m building some white noise and pink noise generators for an upcoming amateur audio project. In this article, you can see a few basic design ideas […]
I was looking around for a little garden electronics project, and I came up with the idea of making a strikingly different Arduino garden lights controller. The reason I picked such a theme is that […]
Now you don’t have to drain your wallet to buy an EMF meter. Whether you are searching for a ghost hunter or just looking to gauge the electromagnetic field disturbance in your house, a do […]
