It is written:
“Intel, in partnership with several other companies which include the likes of IBM, Dell, Compaq, HP and Microsoft, recently introduced what will be the new standard for PC I/O in the years to come; PCI Express (formerly 3GIO or 3rd Generation I/O) is the name which it was given by PCI-SIG, the committee […]
From time to time I acquire “dead" LCD monitors. If you start monitor and see normal image and some horizontal or vertical line (black or color) this means that monitor is really dead. In very rare case you can press the LCD module and make the line disappear… But the line means that there is […]
In my closet I found very old mobile phone. It is Motorola Associate 2000.
The power supply and antenna is lost. But the most interesting part, that the phone is still working. Of course I can't make calls, but I can hear busy tone or after pressing few buttons I hear “This service is not available […]
From time to time, I collect some interesting radio tubes, lamps and other strange devices. Here is small part of the collection:
From left to right. 8MHz crystal oscillator. Not very old- 1984. But look at these nice gold plated wires inside the bulb. Maybe it is some precision quartz crystal generator?
Next, the bulb with needle […]
“Burr-Brown is known as an industry leader of high-precision, audio quality op amps. These ICs can be used in a variety of audio applications." I am using OPA541 in metal TO-3 package. Continuous current output 5A (10A peek), internal power dissipation 125W … And it is using +-40V (80V) power supply. It gives lots […]
I don't what to write this day. Lots of hard work at yard. Made a nice paddock for my horse in neighbour’s yard .
So, I think I have the slowest Intel Pentium processor ever made. This nice CPU can have famous DIV bug and I thing it has lifetime Intel warranty for changing it […]
I was tired of fans running and full speed and causing lots of noise. For my self-made audio amplifier I designed thermocontrolled fans. Why to move air if you amp is playing calm music? The total amp output power is about 400W, but when playing normal music while surfing the net it uses only a […]
Look at this photo:
What you can see here? Some 168 pin DIMM? The first 3 looks like devices from same family… but they are very different. From left to right:
1. It is ROM! “Phaser 850 Ver 1.1 Roman Fonts. (c)2000 Xerox Corp. bla bla…"
2. It is 5V, buffered DIMM. Used is old Apple computer, also […]
Having lots of second hand power mosfets? These interesting electronic components are very useful in hobby constructing. It replaces relays and simple transistors. But how to test them quickly?
All you need is simple tester. Almost every tester have buzzer for circuit continuity testing and in same configuration you can test diodes. The multimeter LCD show […]
I found LCD module (display) from Epson ECM-A0404. It looks like 20×2 module. Module has 16 pin connector… hmm… looks like standard LCD module.
I connected wires according usual pin-out. But, oops!, some sort of short circuit. At first glance, it looks like, that pin 1 and 2 are swapped. Reconnected wires and nothing… Took another […]
|
Place for rent. |