Harnessing Electricity to Communicate
Students build a telegraph out of everyday objects to understand electrical energy and its role in communications. Then, they use a customized workbook to send and receive information in Morse code using their telegraph.
What you'll need
Instructions
A step-by-step guide for building a telegraph. Includes patterns, a list of things you need, and detailed instructions.
DOWNLOAD THE PDF
Customized Excel Workbook
A customized Excel workbook that codes/encodes real-time communication data from student built telegraphs. Requires the Data Streamer add-in listed below.
DOWNLOAD THE WORKBOOK
Materials List
A spreadsheet with links to online resources to help you bring these projects to your classroom.
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Code for the Project
Pre-built code for your microcontroller to help you and your students visualize live data.
FLASH YOUR BOARD
Technical requirements
Data Streamer Add-in
Modernize your existing copy of Microsoft Excel with this free add-in to support real-time data streaming from your projects.
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Excel O365 Desktop
Students and teachers are eligible for free Office 365 Education, which includes online Word, Excel, PowerPoint, and OneNote.
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Hacking STEM library
Hacking STEM offers bite-sized, hands-on, teacher-tested projects and activities that use everyday materials to make STEM affordable, accessible, and fun for everyone. Browse our library for downloadable, printable materials.
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