I wrote a program for a matrix keyboard, but it doesn't work very well.Schematic diagram:Code:
//Initialize PA8 and PD2 as output ports and enable the clocks of these two ports//LED IO initialization
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At present, electronic technology is widely used in automobile body electronic systems, with the goal of improving driving comfort and providing drivers with vehicle condition information. The main au...
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The CH224 is so easy to use (this is really worth praising). After doing the initial test, I felt that there was nothing to test, so I started to draw the circuit directly. This time I plan to use the...
An FIR filter (Figure 1) stores a series of n data cells, each delayed by one additional cycle. Typically, these data cells are called branches. Each branch is multiplied by a coefficient, and the res...
As shown in the figure, EA reference level Vref = 2.5V, FB pin is grounded,My questions:
1. What will happen if the call is answered at point A in this way?
2. What is the use of this connection metho...