MEMS Microphone Basics MEMS microphones are constructed with a MEMS (Micro-Electro-Mechanical System) component placed on a printed circuit board (PCB) and protected with a mechanical cover.... Read more
The spark plug was a key invention in the history of the internal combustion engine, allowing combustion to be easily controlled and engines to rev faster than messy earlier designs. Mid-cen... Read more
A few weeks ago I made a freeform Arduinoflake. Lot of you loved it. But its magic is not only being freeform but also in the pattern of the LEDs. So I decided to create a PCB version which... Read more
A synthesizer without transistors could almost be the basis of a trick question, surely without transistors it must be using a vacuum tube or similar. Not [Dr. Cockroach]’s synth though, ins... Read more
Our old math teacher famously said, “You have to take what you know and use it find what you don’t know.” The same holds true for a lot of microcontroller designs including [rgco’s] clever m... Read more
Although you can buy analog tide clocks that have a single hand indicating whether the tide is high or low or somewhere in between, what I wanted was something that would tell me at what tim... Read more
*Only infotainment or non-safety critical circuits VIEW MORE Panasonic has expanded the CS, CT, and CX SP-Cap series to include higher voltage caps with range up to 35V. The newest additions... Read more
In this DIY guide I will show you how to make your own security check system based on Arduino! You can use this system in areas with security guards (e.g. warehouses, malls, open areas). Eve... Read more
This project is to create an Infrared Remote Control to control the Original Cybot received with the magazine Ultimate Real Robots, started back in 2001. Reason for making the remote:(a litt... Read more
My hobby and passion is to realize physics projects. One of my last work is about ultrasonic sonography. As always I tried to make it as simple as possible with parts you can get on ebay or... Read more
Summary This PCB (Printed Circuit Board) resembles the YouTube Play Button award that is given out to creators for reaching certain milestones such as 100,000, 1 million, and 10 million subs... Read more
My wife and I recently moved to a new apartment with our cat, Nymeria. This new apartment came with an extra houseguest – a small bird just outside our door. This bird happily chirps a... Read more