My computer’s printer port is only one and occupied by printer and JTAG hardware. And I needed more parallel port for my experiments. Something safe for motherboard and something wide. As I mentioned in previous post, one electronics company supplied me with some useless hardware. Each PCB board was with Atmel ATMEGA16 CPU (ATMEGA16 […]
After few weeks of experiments and one dead FPGA chip I finished about 1/5 of my LCD project. At last I tuned all LCD timings and LCD screen can display image from “video RAM". For this moment “video RAM" is represented by flash ROM chip. At first I had lots of bugs (I've lost one […]
One man brought small souvenir from China. It is cool 32Gb Sony flash disk. The only problem is that it is fake, and not such size. The device is made quite well. Solid box with all needed information. The device is looking solid too. The size is very big and the price was too small […]
As I mentioned in previous posts, one company supplied me by few Altera Cyclone II (EP2C5T144C6N) FPGAs. All these chips were soldered to some rejected circuit boards. Board were damaged by improper soldering, mainly by overheating and PCB track unstuck from the base. I selected one board with minimal visual defects. There is place for […]
As the flex was killed, I needed to test the Cyclone chip. But I need good 3.3V power supply for it. The core and PLL voltages are lower, but linear regulators were already placed on the PCB. The only good 3.3 source was computer power supply (ATX model), but it is too big, too noisy […]
I was visiting Italy and entered one of the smallest countries- San Marino. All tourist must visit castle on the top of the mountain. As such high placed is often used as radio transmission spot, one castle tower is populated with various radio antennas.
In one small room I found quite powerful power supply and some […]
There are templates for various paper documents used by electricians in Lithuania. Just entry for google.
Kadangi niekur internete neradau kai turi atrodyti kai kurie žurnalai skirti elektrikams, tai pagal pirktinius pavyzdžius padariau elektroninius šablonus. Taigi, nusikraukite ir žiūrėkite su PDF formato readerių. Kad ir iš Adobės puslapių.
Dokumentai yra platinami pagal FreeWare licenzija. Prašome laisvai kopijuoti […]
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