//Waiting for the response from DHT11 //Return 1: The existence of DHT11 is not detected //Return 0: There is u8 DHT11_Check(void) { u8 retry=0; DHT11_IO_IN();//SET INPUT while (DHT11_DQ_IN&&retry=120...
I would like to trouble you old birds to give me some advice. I am using the UCOS-II 2.86+TCP-IP package officially provided by UCOS_II. Now I want to use UART0 interrupt to receive and send data. The...
My current job is to develop measuring electric boxes, which basically use 51, PLC and the like, but the application is general. There are few projects in daily life, lack of practical experience, and...
I built a bandgap circuit at school according to the structure of a foreign chip, but the simulation found that the load capacity is not good; and I have to add capacitors to sacrifice bandwidth to co...
This topic is mainly for Altera Fpga . The topic is suitable for: FPGA novices or FPGA beginners. The purpose of the topic is to familiarize yourself with the FPGA development process, familiarize you...