Coffee pot IC, MCU development, MCU development, ad MCU development, electronic development
Function description of coffee pot:
1. On / off: after power on, press the key to start making coffee, the on indicator and the on word on the LCD are on, and after the coffee is cooked (temperature detection), the buzzer sends out "Bi..... Bi..... Bi..... Bi..... Bi......" to prompt that the coffee is cooked; Press the key to stop heating during coffee making; Press this key to turn on / off the heating at any time and exit all modes, and the current time is displayed on the LCD.
2. Program: the machine is not allowed to make coffee; Press the key once, the LCD displays the reserved coffee making time and program status, and the time display flashes at the frequency of 0.5Hz, which can be adjusted by pressing min and hour; Press this key again to immediately return to the current time state and stop flashing; If this key is not pressed, it will return to the current time state and stop flashing after 6 seconds.
3. Min: minute for adjusting the current time or reservation time; When displaying the status of the current time, press this key, and the time display flashes at the frequency of 0.5Hz. At this time, minutes can be added or subtracted. If you don't press the key for 6 seconds, it stops flashing.
4. Hour: the hour when the current time or reservation time is adjusted; When the status of the current time is displayed, press this key, and the time display flashes at the frequency of 0.5Hz. At this time, when it can be added or subtracted, it will stop flashing without pressing the key for 6 seconds.
5. Auto: press this key, the auto indicator flashes, and the LCD on indicates, prompting the machine to enter the reserved startup state; When the current time reaches the reservation time, the machine starts up and the buzzer sends out "bi... Bi... Bi..." to prompt the machine to start making coffee when the reservation time is up, and the auto indicator light goes out.
Protection function:
NTC open circuit alarm: when NTC is open circuit, turn off the heating, and the buzzer will sound "Bi.. Bi.. Bi......" until the power supply is turned off; Prohibit on / off and reserved startup in case of open circuit alarm;