The twenty-fifth meeting marks our third anniversary, and will feature a talk on writing embedded firmware and a panel discussion that will explore the future of open source hardware.
Writing firmware for the AVR: A Morse Code Beacon
In this talk we will look at a number of techniques for making the most of the miniscule MSP430 and ATTiny embedded microcontrollers. Explaining how to approach the task of developing software for constrained systems such as those with only a few hundred bytes of RAM or a few kilobytes of Flash. Predominantly writing in C and using Chris Swan’s Morse Code Beacon as an example, revealing why code needs to be structured in ways that may initially seem counter-intuitive or undesirable, as well as how the resources are used and allocated.
Such techniques are essential for getting almost any useful program to run in small systems, and when applied to slightly bigger machines such as the ATmega — found in platforms such as Arduino — they can allow really comprehensive programs to be executed successfully….
Panel discussion: The Future of Open Source Hardware
Interest in open source hardware continues to grow unabated and the movement has come a long way in the three years since our first meeting. However, could it ever provide opportunities on the same scale as those afforded by its much older and now well understood cousin, open source software? What are the barriers to growth? How are the intellectual property and economic considerations different to those of open source software? These are just some of the questions that we plan to explore as part of this panel discussion.
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.
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