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One Response to “Open 7400 prize: Audio Spectrum Analyzer from YourITronics”
Edward Mallon: I've managed to get cheap thermistors calibrated to about to +/- 0.2C with 3.3v Arduinos. https://edwardmallon.wordpress.com/2017/04/26/calibrating-oversampled-thermistors-with-an-arduino/ Instead of playing whack-a-mole with the various sources of...
Ja: What the keyer do? Sends random morse code or there is some input? If someone can point me to some source to read I would...