Liquid nitrogen (finally) makes an Arduino project cool

2013年8月19日 | By News | Filed in: News.

http://hackaday.com/2013/08/18/liquid-nitrogen-finally-makes-an-arduino-project-cool/

At $1.5 a liter in Moscow, [Michail] couldn’t resist buying some liquid nitrogen for himself. He thought that because Arduinos were quite popular among geeks, he’d try to overclock one while bringing its temperature down to -196°C/-320°F.

To check the ATmega was still working correctly, [Michail] designed several stability tests: SRAM read/write, flash read, arithmetic math and program flow tests (code with some conditionals). He used a standard HD44780 LCD to view the tests results but also an LED, blinking the number of the test it would have failed. The Arduino was externally clocked by a TTL-logic based square signal … Read the rest


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