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“Ribbon controllers are a great way to control a synth. They consist of a touch-sensitive strip that lets you control pitch continuously. The electrically conductive strip called ‘velostat’ that responds to changes in voltage or resistance caused by moving your …
“Build this small oscilloscope. Frequency range is up to 40KHz(25uS full screen) In 4 selectable ranges. Input voltage is between 50mVpp and 50Vpp in 2 selectable ranges. Gain is adjustable between 1 and 100. Accepts AC or DC input …
“Over the years there have been many electronic toys that let you play with and learn about electricity. Jay Silver’s Drawdio (Figure A) from 2008 combines a simple 555 timer circuit with a pencil to make squeals, beeps, and …
“Believe it or not, computers existed before microcontrollers and CPUs were around. They used to be built using discrete parts including simple ICs and transistors. CPUs are arguably the center of modern electronics, whether it be a mobile device or …