I am a novice who has just started to use microcontrollers. I bought an OLED and found this paragraph when I was reading the document. Why can I write it like this if (IIC_Byte&0x80)? I can understand
The basic usage of serial communication was introduced above. The query method was used to receive data, which was inefficient. We can also use the serial port receiving event (serial port receiving i
The result is in the display, I am confused, share it with everyone and consult everywhere. I also ask everyone here, and also ask the experts/when importing STEP files, why is it not displayed, the r
The best way to learn ROS is to use it. The ROS official website has a Chinese version of the tutorial . After installing ROS, write the first program "Hello world".
1 Create a workspace
Open a termin
The load is an LED, the voltage is 5.5-7.5v, the current is 50mA. The power supply is a 3.7V-4.2V lithium battery. There is a button on the board, press it once to turn it on, press it again to turn i