This 3 minute video shows how to connect a $2.00 USB to UART adapter to a serial port on some things like cameras, modems, etc. You need three short Dupont connector cables, green for ground and transmit and receive (crossover). Connect the adapter to the USB port on your PC. Then in Linux open a
(Read More…)
https://www.facebook.com/reel/1817299472352574/?mibextid=9drbnH&s=yWDuG2&fs=e
That is really weird! https://www.facebook.com/reel/1068970684835621?mibextid=9drbnH&s=yWDuG2&fs=e
This is a long article but a very interesting project. It uses HSMS-2850 Schottky detector diodes in a discriminator. He uses WE 1200 ohm sound powered headphones. He’s Canadian. https://electronbunker.ca/eb/FMCrystalSet.html
I built this “tungsten roadwork beacon” as Clive calls it, using the parts given in my schematic (photo below). I didn’t have a 6V, 90 mA lamp, so I simulated it by using three 20 ohm, 1/4 Watt resistors in series, which gives 60 ohms and 100 mA load with 6VDC. For an indicator I
(Read More…)
This is really interesting. A catalytic converter for a wood stove. 1 min. YouTube video.
Chuck commented about the audio oscillator being a BFO, and it reminded me that I’ve got an old RCA BFO audio oscillator stuck away in the garage. It was a cheap way of getting an audio sine wave that covered the full audio band without any switching. Nowadays it’s all done in sine and other
(Read More…)
“Alleged to have done it…” https://www.facebook.com/reel/1022515662278891?mibextid=9drbnH
Range Energy thinks it has the best answer, and it doesn’t require any retrofitting of tractors or engines, just a new trailer. Range figured that so many people have thought about electrifying the semi-truck tractor, but nobody has really focused on the trailer. This makes sense considering the trailer is just dead weight on most
(Read More…)
Caps Wiki – a place for you to share your repair notes. I like the idea. I’m wondering if I have the patience to spend the extra time. https://hackaday.com/2022/02/24/caps-wiki-place-for-you-to-share-your-repair-notes/
