Electronics Equipment

  1. Home
  2. Electronics Equipment
4457 Threads Posts
to

Worth reading in Electronics Equipment

Schematic search for Casio keyboard

I am searching for a schematic for a Casio CT-360. I want to do a bit of a hack to see if I could get some sort of a CV...
0 comments posted 9yrs
posted by kevinfglover
0 comments posted 9yrs posted by kevinfglover

Eicocraft Watizit!

I have in my collection of electronics, dating back quite a few decades, a device that I can not find any info or can e...
6 comments posted 9yrs
posted by kevinfglover
6 comments posted 9yrs posted by kevinfglover

AT Voltmeter

I picked this gizmo up at the local junque shoppe. Pics on a.b.s.e. It appears to be an r.f. tuned cavity. Any info or...
10 comments posted 9yrs
posted by paul
10 comments posted 9yrs posted by paul

LM566 alternative.

I have benn trying to find a decent alternative to the LM566 VCO. It does not seem to be sold anymore at reputable sell...
6 comments posted 10yrs
posted by kevinfglover
6 comments posted 10yrs posted by kevinfglover

Switching Power Supply question

Just recieved a Mean Well quad output power supply. After powering it up and testing output I get drastic flucuations o...
3 comments posted 10yrs
posted by kevinfglover
3 comments posted 10yrs posted by kevinfglover

Loose micro USB cables

A new cable works wonderfully. For maybe 6 weeks. Then when I use the Samsung phone while charging... "Beep-boop, beep-...
28 comments posted 10yrs
posted by not
28 comments posted 10yrs posted by not

FET voltmeter sought

Suppose a fellow wished to buy a high input impedence voltmeter rather accurate for low voltages (< 10v, say) but not ex...
6 comments posted 10yrs
posted by peterxpercival
6 comments posted 10yrs posted by peterxpercival

WILTRON ANRITSU 68XXX synthesyzers

Hello, I am looking for the schematics of the serial interface T1678 between the wiltron 68XXX synthesizer and a PC in h...
3 comments posted 10yrs
posted by picard.jean-francois
3 comments posted 10yrs posted by picard.jean-francois

UPS Upgrade

I need to fixup a 1500VA USP to run longer. This is a pseudo sine wave unit. First I plan to derate it by 50% so I will...
15 comments posted 10yrs
posted by AOE
15 comments posted 10yrs posted by AOE

X2210 and X2212 NVRAM replacement

I am facing, even with NOS parts, a general failure of Xircor non volatile ram memories X2210 and X2212. I have not spa...
1 comments posted 10yrs
posted by picard.jean-francois
1 comments posted 10yrs posted by picard.jean-francois

Microcontroller NG

I am somewhat disappointed at the lack of newsgroups dedicated to microcontrollers. Specifically the more popular ones...
6 comments posted 10yrs
posted by kevinfglover
6 comments posted 10yrs posted by kevinfglover

HP 54xxx series oscillocopes

Just bought a 54120b on eBay, cheap. Only to find out it needs the 54121a test set. Alright, got an old beat up Tek tha...
1 comments posted 10yrs
posted by chriskeegan2014
1 comments posted 10yrs posted by chriskeegan2014