NTC thermistor is a kind of ceramic semiconductor heat-sensitive crystal sintered by manganese, cobalt and nickel-based various metal oxides as raw materials. It is extremely sensitive to temperature changes. The temperature rises and decreases, and the resistance value decreases expon...
With the arrival of winter, the temperature around the world is also dropping. Not only is the outdoor wind biting, but the indoor temperature is often chilling.
Because of this, we found that during the shopping festivals in the autumn and winter seasons every year, elect...