hand made ; alminium cap is for cooling

[hatahata]

1 C is too miserable .

so i insert copper coin between copper heat sink and alminuim cap .
and i try

Code:

debian@pine64pro:~$ ./pi.bat ; ./temperature.bat
3.14159265359
41
debian@pine64pro:~$ ./temperature.bat
36
debian@pine64pro:~$ ./temperature.bat
36

good result

copper coin is about 0.1 dollar (10 yen) .
alminium cap press copper coin and fix coper coin .

alminium cap
heat conducting sheat(for attaching)
copper coin
heat conducting sheat
copper heat sink
heat conducting sheat
CPU

-----
regards