ADAFRUIT WEEKLY EDITORIAL ROUND-UP
We’ve bought a lot taking place right here at Adafruit that it’s not at all times straightforward to maintain up! Don’t fret, we’ve bought you coated. Every week we’ll be posting a helpful round-up of what we’ve been as much as, starting from be taught guides to weblog articles, movies, and extra.
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Designing an audio suggestions amplifier
Jason Milldrum has been documenting the design of Mission Yamhill, the successor to the Willamette Transceiver, also called the qrp-l Group Mission. The aim of this endeavor is to offer a platform to find out about radio electronics at a system degree.
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UPDATED LEARN GUIDE:Adafruit GPIO Expander Bonnet for Raspberry Pi
The Raspberry Pi is an incredible single board laptop – and among the finest elements is that GPIO connector! 40 pins of digital goodness you’ll be able to twiddle to manage LEDs, sensors, buttons, radios, shows – nearly any system you’ll be able to think about. This Adafruit GPIO Expander Bonnet gives you much more digital deliciousness – 16 extra digital enter/output pins are yours for any need you might have. The outputs are grouped into two 16-pin connectors which have an identical floor pin. You’ll be able to set every pin to be a digital output (excessive or low) or as an enter, with an inside pull-up in case you like!
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