The watch crystal on the breadboard does not vibrate.. But the crystal soldered on the MSP430 Launchpad can vibrate... I have two doubts. 1) The resistance is too large? But it seems that the resistan...
I connected a USB device to my board (wince system). After the wince system started, the driver of this device can be loaded correctly. I want to reset this device now. How can I do it? I cut off VCC ...
When Shooter Player and QQ Video are arguing over GPL, CBer should stop using ignorant abuse and learn more about the basic knowledge of open source licenses. If you want to abuse, you should do it to...
First, the bandwidth. This is usually written on the probe, how many MHz. If the bandwidth of the probe is not enough, no matter how high the bandwidth of the oscilloscope is, it is useless, and it is...
void delay(unsigned int x) //about 1.5us{ while(x) { x--; } } void init_1820(void) { DS18B20_SET; DS18B20_CRL; delay(400); //more than 480us DDRC|=(1
It seems that there is a problem with the timing: ...