-- With digital, touch and buzzer alarms, the PCBA provides a convenient, accurate and reliable temperature measurement solution. Through the digital display function, users can intuitively understand the temperature value; The touch function makes the operation more convenient and intuitive; The buzzer alarm function can alert the user of abnormal temperature in time. It can be used in pressure cooker, thermos cup and thermos pot.

-- The PCBA designs a buzzer alarm circuit to trigger a buzzer alarm when a set temperature threshold is exceeded. When the temperature is higher than 100°C, the temperature will be automatically displayed and the siren will sound. When the temperature is lower than 100°C, touch once to wake up and sleep after 5s. When the temperature is above 130°C, the buzzer will sound all the time.