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Make marked side close to the heat-dispersing side (cool end) Make unmarked side close to the heat-absorbing side (hot end) Red wire: anode£¬ black wire: cathode Generates power when there is a temperature difference Generator Parameter: 20'C temperature difference: open-circuit voltage: 0.97V£¬ generating current: 225mA 40'C temperature difference: open-circuit voltage: 1.8V£¬ generating current: 368mA 60'C temperature difference: open-circuit voltage: 2.4V£¬ generating current: 469mA 80'C temperature difference: open-circuit voltage: 3.6V£¬ generating current: 558mA 100'C temperature difference: open-circuit voltage: 4.8V£¬ generating current: 669mA The above value is only for reference. There will be current loss in practice. A voltage step-up stabilizing module is needed when in practice.