You have been too focused on advertising for manufacturers this year! I have received a lot of your advertisements in my mailbox! I don’t need them! Also, please don’t send me public messages in the f
The purpose is
After power-on, the EN pin of the power chip is high level, the chip is not enabled, press the touch switch, the power chip outputs 3.3V, and the microcontroller pulls IO1 low to start
Task requirementsUse the MSP30F247 microcontroller to drive the LCD1602 liquid crystal to display two lines of characters: the first line displays "lao ma shi tu mcu" and the second line displays "msp