On each Arduino-compatible chip runs a tiny program called the bootloader. The bootloader is a helper that reads your Arduino sketch over USB and burns it into the little microcontroller brain.
FLORA and GEMMA both come with bootloaders when your get them in the mail, but there are a few reasons you might want to know how to burn your own bootloader, besides the nerd cred. Maybe you’re an AVR hacker and you want to change the bootloader’s functions, or maybe you’re building your own circuit and need to flash a new blank chip. And sometimes it’s possible to corrupt your bootloader– flashing it again can bring the board back to life.
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, or even use Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for MakeCode, CircuitPython, 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.
Python for Microcontrollers — Python snakes its way on the SparkFun SAMD21 Mini, Hackaday.io, 10k thanks, and Tim’s magazine #Python #Adafruit #CircuitPython @circuitpython @micropython @ThePSF @Adafruit
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