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“Transistors (derived from transfer resistance), are the basic building blocks of our technological world. You may have a box full of assorted transistors or you may have them segregated by type in individual labelled draws or boxes. In either case …
“This is a guide for creating a simple sequencer. A sequencer is a device that cyclically produces a series of steps that then drive an oscillator. Each step can be assigned to a different tone and thus create interesting sequences …
“The circuit board presented here enables the exact mains frequency measurement of the power supply system (50 Hz and 60Hz). It is universally constructed and can be operated with a RaspberryPi 3/4 as well as with a USB-TTL …
“One major issue when dealing with sprinkler controllers is rain starting to pour during sequences execution, because in this case it is useless – if not damaging – to water a garden or plants while nature is already taking care of that …
“I wanted to design a logic probe as a tutorial, but there were many good ones in the web so i have tried to design a single digit voltmeter. This circuit is a design, i am unable to test it …
“Function generator is a rely useful tool in the lab, a simple version can be build at home, there’s a lot of examples on the Internet, some are much more complex and powerful, but this one is intended to …
“Light Sensitive Audio Oscillator project is a fun loving project which will create different sound effects depending on the light falling on the sensor”