Electric blanket thermostat circuit

Generally, electric blankets have two levels: high temperature and low temperature. When using it, if you set it to the high setting, you will always be woken up by the heat after falling asleep; if you set it to the low setting, you will sometimes feel that the temperature is not enough when you wake up. Here is an electric blanket thermostat that can control the temperature of the electric blanket within a suitable range.