In elektronika.lt and in original pages at sprut.de there is placed simple frequency counter schematics. It consists only from Microchip PIC 16F84 cpu and LCD text module. Author states that this counter is capable metering frequencies from 400Hz to 50MHz. I used faster, 20MHz version of 16F84A-20I/P, and it managed to count 80MHz oscillator output.
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At my workplace there is old big copying machine- Minolta Dialta. Recently we bought second hand printer module for it. It is called Minolta Pi 1800, GDI printer module. I decided to make it work in intranet.
It was possible to buy small hardware print server for this purpose, but I decided to do it in […]
One day I had small attack of shopping and I bought small pellet of gallium. It is quite strange, non toxic metal. It’s melting point is only 30°C. To be exact- 29.7646°C. And boiling point is very high- 2204°C! It can melt in your hand. The only problem, it will stain your skin.
Gallium is widely […]
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