Now I need to write a WINCE key driver, 6 keys occupy 6 external interrupts. I have never done it before and don't know how to start. Please give me some advice, preferably an architecture. I looked a
I just learned zigbee, and my level is just lighting a lamp. Now I want to realize a simple function, that is, when the terminal and the coordinator are too far away, they will not receive data. I wan
Please take a look at the following circuit diagram. After the input sine wave signal passes through the capacitor, a 400mV DC voltage will be superimposed on the 2nd pin of the operational amplifier
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