water level conductive test I once prototyped a capacitive sensor -- worked OK, but I couldn't use it because the actual application ( auto coolant level in the overflow tank)as the tank was too deeply...
Sunday, 6 September 2020 - 04:53
Suggest a good scope? Me too, I've used several of the Rigol digital scopes, nice units, it did take me a while to get used to the trigger being in the middle of the screen
All this time I...
Sunday, 6 September 2020 - 04:25
Do RFID tags wear out? Years ago I worked on projects with RF tags and later rfid TAGS.
RF tags were made up of a coil and capacitor -- you could detect that a tag or tags was in the detection...
Sunday, 7 June 2020 - 05:12
key fob batteries Couldn't finish the vid - soldering was too painful. Even I can do better. Probably would have cut the leads and used a solder sucker or just tapped them out.
Don't know...
Efficiencies in Radio Amateur (2) I had a couple of crystal sets as a boy -- they sold them as toys at the time. We had a local station with their antenna about 10 miles from the house -- picked them up well --...
Sunday, 9 February 2020 - 06:17
suppress surge at the source on 120 vac house circuit ? Could be something as simple as a crappy connection or breaker upstram from the light and printer circuits. Best test would be to do a voltage and current check diring startup --...
Sunday, 6 October 2019 - 04:39
Old Scopes Linger Not saying you're wrong avrc -- but you might be. Sometimes the devil is in the details. The products may look the same, but be vastly different. For instance, the switches and...
Can you tap USB comm OK, but how about this -- I just want serial data.
Could I take 4 USB to serial cables?
- Cables 1 and 2 connect together betrween my USB devices
- Cable 3...
Sunday, 2 June 2019 - 04:43
better way to do this? Thanks for the plethora of comments. I apologize for the poor post. A coworker once referred to me as a dyslexic typist -- and it's pretty true.
foo ( not its real...
Friday, 31 May 2019 - 04:32
Solved: Can SN74HC595N replace TC74HC595AP? Well, you can't be too careful, but generally digital ICs with the same generic part number have the same specs. The extra letters/numbers spec things like package type and...
I once prototyped a capacitive sensor -- worked OK, but I couldn't use it because the actual application ( auto coolant level in the overflow tank)as the tank was too deeply...
Me too, I've used several of the Rigol digital scopes, nice units, it did take me a while to get used to the trigger being in the middle of the screen All this time I...
Years ago I worked on projects with RF tags and later rfid TAGS. RF tags were made up of a coil and capacitor -- you could detect that a tag or tags was in the detection...
Couldn't finish the vid - soldering was too painful. Even I can do better. Probably would have cut the leads and used a solder sucker or just tapped them out. Don't know...
trying to unsubscribe hj
I had a couple of crystal sets as a boy -- they sold them as toys at the time. We had a local station with their antenna about 10 miles from the house -- picked them up well --...
Could be something as simple as a crappy connection or breaker upstram from the light and printer circuits. Best test would be to do a voltage and current check diring startup --...
Not saying you're wrong avrc -- but you might be. Sometimes the devil is in the details. The products may look the same, but be vastly different. For instance, the switches and...
Is that a metric bagel? hj
OK, but how about this -- I just want serial data. Could I take 4 USB to serial cables? - Cables 1 and 2 connect together betrween my USB devices - Cable 3...
Thanks for the plethora of comments. I apologize for the poor post. A coworker once referred to me as a dyslexic typist -- and it's pretty true. foo ( not its real...
Well, you can't be too careful, but generally digital ICs with the same generic part number have the same specs. The extra letters/numbers spec things like package type and...
Pages