Adafruit Grand Central M4 Express review — HackSpace magazine. 9 out of 10!
The Grand Central M4 Express packs a huge amount onto a microcontroller board. There’s enough IO to control almost anything, and the processing power to crunch through the massive amount of data it’s capable of bringing in. As the name suggests, it’s not the smallest board, but if you’ve got the room, this is a great brain for IO-hungry projects.
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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.
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