Tuolla pääset alkuun josset Peltierin kanssa ennen ole pelannut.
Maksaa 2 Euroa
http://www.ebay.co.uk/itm/1Pcs-New-Thermoelectric-Power-Generator-150-High-Temperature-Peltier-TEG-Module-/231798281709?hash=item35f84115ed:g:9cgAAOSw1S9Wge25Model:SP1848-27145
Color :white
Lead Length: about 30CM
Size: 40MM * 40MM* 3.4MM
20 degree temperature difference: open-circuit voltage 0.97V, generated current: 225MA
40 degree temperature difference: open circuit voltage 1.8V, generated current: 368MA
60 degree temperature difference: open circuit voltage 2.4V, generated current: 469MA
80 degree temperature difference: the open circuit voltage 3.6V, generated current: 558MA
100 degree temperature difference: open circuit voltage 4.8V, generated current: 669MA