In the past 2020, after a long wait, I can work again. However, the industry was very depressed in 2020, income declined, and the company almost closed down. The good policy of the state to support sm...
After zigbee collects data and sends it to nb-iot, the data cannot be displayed normally.
This is a screenshot of the serial portThis is a screenshot of the cloud...
Hi, everyone! There are new changes in our forum. The markdown editor was launched this week. Netizens who like to write articles in markdown can use it happily! ! The specific location of the markdow...
1. A total of 6 passwords can be set, and the value of each password ranges from 1 to 6. 2. Users can set and modify passwords by themselves. 3. There will be a sound prompt when pressing each key and...
How to measure the power supply voltage without a multimeter? Of course there is a way...Today we will take a look at the AD function of AT32F421.AT32F421 has 15 12-bit ADC acquisition ports, which is...