[code] unsigned char temp temp=0xaa; //Assume a data 0xaa, let P0_0 port output, you can see the result for(i=0;i<8;i++) { ACC=temp; CY=ACC&1; P0_0=CY; temp=_cror_(temp,1); } [/code] Maybe there is a ...
I saw someone selling this kind of PCB on Taobao. Will it increase sales? In the current market, in addition to functionality, visuals seem to be important as well....
Nowadays, small electrical appliances, such as LED flashlights, mosquito swatters, etc., use 4V lead batteries inside. The circuit for charging them is a constant current type, as shown in the figure:...
It used to work fine before, but I don't know since when, all the multi-layer pads in the PCB library became FULL STACK, resulting in a pad on the top layer and a hole on the bottom layer.
I checked o...