Very sad for the condition of the almost non-existent manufacturing sector of the U.S. economy. I'm in a manufacturing business and almost all of my suppliers are foreign. I've been ranting on for nearly 40 years about us giving away the store on manufacturing and have been mocked for it. The chickens have come home to roost.
‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Wednesday, December 29th, 2021 at 9:43 PM, Jones Beene <jone...@pacbell.net> wrote: > Brilliant ... and (in general) such gadgets as solar powered motion detectors > are such a bargain aren't they? > > Isn't it amazing how the level of affordable sophistication in relatively > mundane products has increased - and at very low cost considering the > technology involved. The progress in the most recent decade blows my mind. > > The potential downside... This stuff would not have been possible even at 10x > the cost --- without China ... > > MSF <foster...@protonmail.com> wrote: > > The solution to your problem has likely already been built. It's the remote > motion detector. You can buy these on ebay for around 20 dollars US. Just > drop the motion detector in the mailbox and it triggers a really loud alarm > on the receiving unit inside your house. I have used these in my back garden > to detect sneaky racoons digging up my lawn. They claim a very long range, > 400ft to 900ft, but I'm not sure how far it would be enclosed in a mail box. > > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ > > On Wednesday, December 29th, 2021 at 1:21 AM, Robin > <mixent...@aussiebroadband.com.au> wrote: > >> Hi, >> >> I'm looking for an elegant, simple, cheap means of transmitting a single bit >> of information over a distance of 50 >> >> meters, without wires. >> >> Imaginative solutions sought. :)
