AN10897: A guide to designing for ESD and EMC (courtesy NXP Semiconductors) was an unexpected surprise given the title, but it instantly shot to near the top of my list of all-star app-notes when I started reading through it. Aside from some information and explanations on ESD (ergo the title), the second half of this app note also contains some exceptionally valuable tips on PCB layout and design, particularly where sensitive high-speed signals are involved. The definitive book on the subject is still “High-Speed Digital Design” by Johnson and Graham — I spotted a number of tips in this app note from the book — but if you’re interested in some quick ways to improve your PCB design, this app note is an excellent a free way to get started!
Make a robot friend with Adafruit’s CRICKIT – A Creative Robotics & Interactive Construction Kit. It’s an add-on to our popular Circuit Playground Express, FEATHER and other platforms to make and program robots with CircuitPython, MakeCode, and Arduino. Start controlling motors, servos, solenoids. You also get signal pins, capacitive touch sensors, a NeoPixel driver and amplified speaker output. It complements & extends your boards so you can still use all the goodies on the microcontroller, now you have a robotics playground as well.
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