Guide Update: Sensor Plotting Pulse with Mu and CircuitPython

We’ve been doing a bunch of sensor data plotting with the plotter function in Mu. Now we’ve added how to plot your pulse using the light sensor on Circuit Playground Express using Mu and CircuitPython! If you want to see how to plot the plot your heartbeat by holding your finger over the light sensor, you can follow the steps in this page to get your own pulse plot up and running!

Check out the full guide here!


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.

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