If you’ve ever had any questions about how to efficiently add CRC (Cyclical Redundancy Check) to your code, this PDF from the author behind the excellent Hacker’s Delight (Henry S. Warren) is a great start. If you’re interested in writing efficient code, the rest of the site is worth a browse as well: http://www.hackersdelight.org/
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Learn resistor values with Mho’s Resistance or get the best electronics calculator for engineers “Circuit Playground” – Adafruit’s Apps!
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