Integrated Wi-Fi Relay Boards can provide you with clutter-free remote control of a variety of devices. Find out more. Read more
Tag: relay
Reducing RFI with PCF8574 GPIO Expander Board
I was able to use a PCF8547 GPIO Expander Board to reduce but not eliminate RFI from my Arduino. Here’s how that works. Read more
Tracking Down Antenna Switch RFI Ingress
Well, it’s settled. I have a major antenna switch RFI ingress problem. As much as 30 dB on some frequencies. Sigh. Read more