Retired Aerospace Engineer specializing in optical communications
This user joined on 01/06/2021.
Hacked CenTech Digital Multi-Meters to provide audible pitch proportional to displayed magnitude
Uses UHF transmitters and receivers controlled by ATtiny85 CPUs to notify whenever mailbox door opens/ closes. Also extends doorbell and signals when doors open/close.
DDS RF source, ADC, DAC, And logarithmic RF detector under computer control
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