This user joined on 05/11/2019.
Things I've Built
Programmable Dog bark eliminator
Simple programmable frequency, system that uses two low cost , commonly available modules. Different dogs respond to different sounds. This goes from 10 hz to 25khz. Low power , 5 watts, becomes an annoyance rather than pain.
Long range (3500 feet outdoors ) 315mhz remote control, with very low power standby.
Project needed low cost, long range, wireless link with very low power receiver standby current. Link pass code is programmable. Also very small. Uses select transmitter and receiver modules from Asian suppliers to simplify rf design, and cost.
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Arduino Enigma
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