Microcontroller

Articles
Title
Using Shields (ART292E)
Power Supplies For Arduino (MIC004E)
Meet the Arduino 101 (MIC003E)
Arduino Starter Kit Grove (MIC002E)
What Are Breakout Boards (MIC001)

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Micro spy (CB24456E)
This circuit is from a documentation from the 90s. The transistor can be any general-purpose FET...
Cassette Recorder MR480 (CB18496E)
This is the 1968 MR480 commercial cassette recorder circuit. The circuit was fully transistorized and...
Tunnel Diode Switch (CB13342E)
Taking advantage of the two stable states of a tunnel diode it is possible to build a switching circuit...