My wife and I used to have classic paper wall calendar, on
which we marked important dates. We also use Google calendar on our smart phones for marking events, so this meant double work. So I decided to build some sort of smart wall calendar, which will display our reminders, events and some other data. Since I have various old electronic parts lying around, my goal was to reuse them as many as possible and build the calendar with as little costs as possible.
In this tutorial I will show you, how to build smart wall calendar, displaying events from several Google accounts. It will also display time, date, weather, temperature and some additional information. It will be powered by a Raspberry Pi computer with a Passive Infrared Sensor (PIR) motion sensor attached to it, so that the display turns on, when motion is detected in the room, but turns off after few minutes of inactivity. This tutorial is based on several other tutorials I found on the internet and I will give the links to them for better understanding. Some basic programming knowledge is needed (HTML, Python, …).
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Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.