1. IO Configuration Taking SCIA as an example: GPIO35--SCITXDA GPIOA36--SCIRXDA is used Using registers:
GPBPUD: Set pull-up GPIO32-GPIO63 corresponding bit 0 enables pull-up
GPBQSEL1:
GPBMUX1
The above is my sensor circuit diagram. The magnification is switched through a CD4051. The sensor is 10 tons, model YZC-219. The output sensitivity is 2.0+-0.04mV/V. I choose to magnify 1000 times in
Lora is one of the popular wireless communication methods nowadays. It has the characteristics of long distance and good anti-interference performance. Some netizens have ported the Lora driver to mic
An object that maps keys to values. A map cannot contain duplicate keys; each key can be mapped to at most one value. This interface replaces the Dictionary class, which was entirely an abstract class