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You're reading from  Raspberry Pi LED Blueprints

Product typeBook
Published inSep 2015
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ISBN-139781782175759
Edition1st Edition
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Author (1)
Agus Kurniawan
Agus Kurniawan
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Agus Kurniawan

Agus Kurniawan is an independent technology consultant, author, and lecturer. He has over 18 years' experience working on various software development projects, including delivering training courses and workshops, and delivering technical writing. He has done a few research activities related to wireless networking, software, and security in multiple universities. Currently, he is pursuing a Ph.D. program in Computer Science in Germany. He has previously written five books for Packt.
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Controlling AC/DC lamps using channel relay modules


A channel relay is a large mechanical switch. This switch is toggled on or off by energizing a coil. Wiring between the I/O control and the relay output does not connect with each other, so the MCU, which controls the I/O relay, is safe. For further information about how to use a relay, read the article available at http://www.circuitstoday.com/working-of-relays.

You can buy a channel relay module from your local electronics or online stores. The following are the online stores to get this stuff:

If you note a channel relay module, you should see some of the output pins, such as COM, N/A, NO, and NC, on the relay module body...

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Raspberry Pi LED Blueprints
Published in: Sep 2015Publisher: ISBN-13: 9781782175759

Author (1)

author image
Agus Kurniawan

Agus Kurniawan is an independent technology consultant, author, and lecturer. He has over 18 years' experience working on various software development projects, including delivering training courses and workshops, and delivering technical writing. He has done a few research activities related to wireless networking, software, and security in multiple universities. Currently, he is pursuing a Ph.D. program in Computer Science in Germany. He has previously written five books for Packt.
Read more about Agus Kurniawan