[i=s]This post was last edited by dql2016 on 2017-6-17 21:58[/i] DHT22 is a calibrated digital temperature and humidity sensor used to detect ambient temperature and humidity. It uses DHT22 (AM2302) a
PROTEL's metal slot method:It is emphasized that the drawing method in Figure 3 below is not advisable. This drawing method is inconsistent, such as the slot frame line (pink line), which is a layer o
I have always wanted to buy this board, but the spot purchase channels provided by ST official have been out of stock in China, and the overseas shipping cost is ridiculously expensive. I have been fo
I use the advanced timer TIM1 output comparison mode to control the stepper motor, and then communicate with the app on the mobile phone through Bluetooth. When I remove TIM_CtrlPWMOutputs(TIM1, ENABL
After many days of hard work, the ADC data was finally sent to the computer. Not long after I received the first waveform, I was still thinking that the waveform seemed to look better than that of STM