1.The value at position 0X1234 of the external memory is 16 ,the value at position 0X1238 is 26 ,the value at position 0X123C is 36 ,the value at position 0X1240 is 46 ,the value at position 0X1244 is...
A five-port switch and a SMS modem, the power supply is from a 12V switching power supply, which is converted to 5V through a three-terminal voltage regulator. Because it was struck by lightning once,...