The code is as follows: [code]import machine as mc class WDOG(): def __init__(self): self.timer = mc.Timer(-1) self.fed = False def feed(self): self.fed = True def wdcb (self): pass def wdtcb(self,tmr
[b][color=#5E7384]Uses AT89C51 microcontroller as controller, uses DS18B20 digital temperature sensor for temperature detection, controls the duty cycle of PWM wave driving DC motor according to tempe
rtRecently, a Yamaha p48b electric piano in our school was soaked by water leakage from the upstairs (the old and broken piano has been discontinued for a long time, so I opened it up to have a look m
CString strSQL= _T("create table aa(ID AUTOINCREMENT ,Name varchar(50)"); I want to set the ID to auto-increment, but the statement fails. Changing AUTOINCREMENT to int will make it run successfully.