You're reading from Raspberry Pi Pico DIY Workshop

Product typeBook

Published inMay 2022

PublisherPackt

ISBN-139781801814812

Edition1st Edition

Concepts

Single Board Computers

Authors (2):

Sai Yamanoor

Srihari Yamanoor

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Selecting a seven-segment display

We chose a 6.5" seven-segment display for this chapter. We chose it because of its giant size but each digit needs a separate driver. The following figure shows a seven-segment digit with a driver soldered on its back:

Figure 6.4 – 6.5" seven-segment digit with a driver on the back

The total cost of a single digit comes to around USD 30. It can get quite expensive and so we wanted to suggest some alternatives that might suit your budget. We found a smaller display on eBay for USD 4. It is available from here: https://ebay.to/3nKtd4F.

You should be able to use the drivers written for the giant seven-segment display to drive this tiny display (shown in the following figure). The only disadvantage of this display is that it is very small and the numbers cannot be seen from a distance:

Figure 6.5 – Small seven-segment display

If you are looking for a slightly bigger display at...

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Raspberry Pi Pico DIY Workshop

Published in: May 2022Publisher: PacktISBN-13: 9781801814812

Authors (2)

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 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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