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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MIDI Interface (CB8005E)
This circuit for musical instruments was found in a 90’s Elektor. The circuit still applies, as the...
TTL Opto Trigger (CB14670E)
This Texas Instruments circuit uses a phototransistor to fire a TTL trigger port. Other...
4W x 500kHz transmitter (CB21803E)
We found this 4W transmitter in a Mullard transistor manual from 1960. The circuit is powered by...