12V TEC Phone Cooler 29d112V TEC Phone Cooler 29d112V analog temperature-controlled TEC phone cooler: NTC sensor switches a TEC and fan at about 40°C using a comparator,... show more12V analog temperature-controlled TEC phone cooler: NTC sensor switches a TEC and fan at about 40°C using a... show moreKka0003 months ago·Star0
