Since it is a personal travel card, it is not very convenient and I don't think it will be used, so I plan to sell it. This card company has activated it and it is valid for two years. Now I sell it f...
The main post is just a preview, I’m worried that I won’t want to write after today!!!
I would like to warn everyone with this post: please read, read carefully, and read the device data sheet again a...
Use Raspberry Pi Pico to collect data and display it on the mobile phone.Features:200Khz bandwidth
Support 2 channels
500KS/s sampling rate
Time: 5 microseconds to 20 seconds
Requires few components
A...
The official indicator given by RP2040 is that the rated maximum frequency is 133MHz, and the default operation is 125MHz. Some enthusiasts overclocked PICO to 250MHz, and the system can run stably. T...
Generally, the output voltage of the regulator is divided by a resistor and compared with the internal reference voltage.
Thereby adjusting the output voltage to reach the desired voltage value.
Howev...
The Internet of Things communication protocols can be roughly divided into two categories, one is the access protocol and the other is the communication protocol. The access protocol is generally resp...