IoT & Hardware
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You're reading from  Raspberry Pi Pico DIY Workshop

Product typeBook
Published inMay 2022
PublisherPackt
ISBN-139781801814812
Edition1st Edition
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Authors (2):
Sai Yamanoor
Sai Yamanoor
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Sai Yamanoor

Sai Yamanoor is an embedded systems engineer working for a private startup school in the San Francisco Bay Area, where he builds devices that help students achieve their full potential. He completed his undergraduate work in mechatronics engineering from Sri Krishna College of Engineering and Technology, Coimbatore, India and his graduate studies in mechanical engineering at Carnegie Mellon University, Pittsburgh PA. His interests, deeply rooted in DIY and open software and hardware cultures, include developing gadgets and apps that improve the quality of life, Internet of Things, crowdfunding, education, and new technologies. In his spare time, he plays with various devices and architectures, such as the Raspberry Pi, Arduino, Galileo, Android devices and others. Sai has earlier published a book titled Raspberry Pi Mechatronics Projects.
Read more about Sai Yamanoor

Srihari Yamanoor
Srihari Yamanoor
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Srihari Yamanoor

Srihari Yamanoor is a mechanical engineer, working on medical devices, sustainability, and robotics in the San Francisco Bay Area. He completed his undergraduate studies in mechanical engineering from PSG College of Technology, Coimbatore, India and graduate studies in mechanical engineering at Stanford University. He is certified in SolidWorks, simulation, sustainable design, PDM as well as in quality and reliability engineering and auditing. His has a wide range of interests, from DIY, crowdfunding, AI, travelling, photography to gardening and ecology.
Read more about Srihari Yamanoor

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Controlling appliances

In this section, we are going to control appliances using a product called IoT Power Relay (shown in the following image). We are going to make some minor tweaks to the code sample discussed in the previous section to turn on a light when the door is open and vice-versa.

Appliances Controlled by the Power Relay

We recommend using the power relay for your projects because it offers a safe way to control AC appliances. We recommend controlling simple resistive loads such as a floor lamp.

The following photo shows the IoT power relay. The terminal on the bottom side of the picture is used to control the relay.

Figure 3.11 – IoT power relay (image source: sparkfun.com. License: CC by 2.0)

Figure 3.11 – IoT power relay (image source: sparkfun.com. License: CC by 2.0)

The IoT power relay enables controlling alternating current (AC) appliances with a 3.3 V signal. It comes with the requisite protection to safely interface the Pico with the relay. We will be making use of the GP11 pin to control the...

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Raspberry Pi Pico DIY Workshop
Published in: May 2022Publisher: PacktISBN-13: 9781801814812
© 2022 Packt Publishing Limited All Rights Reserved

Authors (2)

author image
Sai Yamanoor

Sai Yamanoor is an embedded systems engineer working for a private startup school in the San Francisco Bay Area, where he builds devices that help students achieve their full potential. He completed his undergraduate work in mechatronics engineering from Sri Krishna College of Engineering and Technology, Coimbatore, India and his graduate studies in mechanical engineering at Carnegie Mellon University, Pittsburgh PA. His interests, deeply rooted in DIY and open software and hardware cultures, include developing gadgets and apps that improve the quality of life, Internet of Things, crowdfunding, education, and new technologies. In his spare time, he plays with various devices and architectures, such as the Raspberry Pi, Arduino, Galileo, Android devices and others. Sai has earlier published a book titled Raspberry Pi Mechatronics Projects.
Read more about Sai Yamanoor

author image
Srihari Yamanoor

Srihari Yamanoor is a mechanical engineer, working on medical devices, sustainability, and robotics in the San Francisco Bay Area. He completed his undergraduate studies in mechanical engineering from PSG College of Technology, Coimbatore, India and graduate studies in mechanical engineering at Stanford University. He is certified in SolidWorks, simulation, sustainable design, PDM as well as in quality and reliability engineering and auditing. His has a wide range of interests, from DIY, crowdfunding, AI, travelling, photography to gardening and ecology.
Read more about Srihari Yamanoor

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