Re: Most Reliable, Least Expensive Wireless Control of PIC or Arduino « Reply #2 on: January 12, 2022, 03:09:31 am » You want to use a phone as the transmitter, that basically leaves you with WiFi or Bluetooth.There are plenty of WiFi or Bluetooth "smart" plug-in switches aro...
Not sure if anybody cares to see the Arduino sketch that runs this. There are a couple of different things I played with getting this to work: software 20khz pwm, using arduino pwm to approximate sine waves. lengthening pulse timing based on back emf signal seemed to make the most differenc...