Content for CD4066

CD4066

The CD4066 is a Quad Bilateral Switch IC, that is, it has four switches which can be controlled individual using a control pin. These switches can conduct in both the directions making it bilateral, it is commonly used for multiplexing analog or digital signals.

Casio Calculator External Memory (Casio FX92+)

“The inspiration for this project came initially from the Casio 92B, which was the recommended calculator for the humanities in Belgium and France. Unfortunately the 92B, except for its elegance, was not very impressive… Having recently discovered the 92+ and …

SCOPETREX vector gaming on your oscilloscope!

“Vector Gaming on Your Oscilloscope! Have you ever wanted to buy a Vectrex, but you can’t afford the high prices on auction sites? Do you already have a hoard of Vectrexes, but want another one? Well now you can …

TTL/CMOS Linear LED Clock

“A TTL/CMOS based clock that displays the time along a 60 LED bargraph. I like clocks. I like LEDs. I like mucking around with circuits. I want to make a clock that displays the time along an LED bargraph …

Time Manipulator - Arduino Delay/Echo/Reverb

“The Time Manipulator is a programmable Arduino based Delay/Echo/Reverb guitar pedal. It uses two PT2399 delay integrated circuits to archive up to 600ms delay. Also, with the help of 4 analog switches, the internal configuration of the pedal …

Custom Arduino To Keep Can Steering Wheel Buttons With New Car Stereo

“I decided to replace the original car stereo in my Volvo V70 -02 with a new stereo so I will be able to enjoy stuff like mp3, bluetooth and handsfree. My car has some steering wheel controls for the stereo …

Sequencer (for electronic music)

“A sequencer used for music is a device that sequences musical events for predictable playback. For early electronic instruments these sequencers often take the form of a collection of switches that are cued in series and which trigger some other …