Search found 2 matches

by R.G.
Mon Nov 14, 2016 4:23 pm
Forum: PIC Microcontrollers - Software and Hardware
Topic: Temp/Humidity/Water sensor network
Replies: 3
Views: 1720

Re: Temp/Humidity/Water sensor network

An interesting water sensor I stumbled onto can be had very cheaply. At farm and ranch supply places, you can buy "ribbon" for electric fences. This is a very open weave of polypropylene plastic with lengthwise wires made of stainless steel. If you cut out a suitable length, and then pick apart ever...
by R.G.
Mon Nov 14, 2016 3:13 pm
Forum: PIC Microcontrollers - Software and Hardware
Topic: Tricks for line isolated switches from non-isolated PICs
Replies: 0
Views: 827

Tricks for line isolated switches from non-isolated PICs

It's often necessary to have a PIC control things on the AC power line. Using photo-isolators makes this possible, but the PIC is still running on an isolated supply. Running the PIC on a transformerless, non-isolated supply works really well, and can make the PIC able to control certain triac thyri...