Sneak preview of a custom manufactured replacement for the AllScan ANR100-A Radio-Less Node Audio Module, putting all parts on one PCB while adding more status LEDs, making the mic gain controls and Line Out jack standard features, and adding internal switches, jumpers, and trim pots to support fine-tuning of all preamp, AGC and filter parameters.
Update: Should have prototype boards in the next week. This incorporates a clip detector on the internal audio levels (since most nodes will have older ASL/HV/DVS/etc versions), that also looks for low to high transitions on GPIO4, thereby supporting clip detection both before and after the ADC.
Update: My ADC Clip Detection feature has been submitted to ASL3: Add RX Audio Statistics and ADC Clip Detection feature. This adds a n… by davidgsd · Pull Request #396 · AllStarLink/app_rpt · GitHub
