More about Summer Circuit guide 2022 (81)

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| A standard electret microphone and a single-transistor amplifier provide an audio signal that can be processed by an Arduino’s analog input....

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| If you like KiCad 5, you will love KiCad 6, which was released several months ago. Here are five operations that are easy to do in KiCad 6,...

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| Has your remote control stopped working? This tester can indicate whether or not an IR signal is still being transmitted.

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| Need an EMI filter? You can DIY. Check out this simple solution. 

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| Pulse width modulated switching is an efficient technique to control power dissipated in a load. This simple four-component design builds an...

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| Microcontrollers are not mandatory. Sometimes pure logic does the job.

| For the past few weeks, we’ve been teasing the release of the Summer Circuits 2022 edition of Elektor Mag. The wait is over. Enjoy!

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| In November 1977 Elektor kicked off a series of articles on the “SC/MP”, their first-ever attempt at publishing a microprocessor system for...

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| The circuit is very simple: an ultra-bright green LED, two 10-MΩ resistors, two 100-nF ceramic capacitors and a push-button switch. When you...

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| This two-transistor circuit forms a simple square-wave generator with a frequency of about 5 kHz. The connection to the LED passes over mult...