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“A simple clock with a countdown timer function implemented with the Calliope mini 3 and some Grove modules. A simple clock with a countdown timer function for the Calliope mini 3. I made this to experiment with the new Calliope …

“This post describes how two calliope minis can be used to create a wireless messenger using the built-in radio. This project was created for the SAP Hybris Steam Kids program, a program dedicated to encourage digital literacy and to promote …