I am an electronics student who has just learned to draw boards. Then I learned that Jiali Chuang can make boards for 5 yuan, so I want to make a set of PCB playing cards. I am not very familiar with ...
I received the Silicon Labs BG22-EK4108A Bluetooth development board a few days ago. Unfortunately, I have been too busy recently and have not had time to arrange a review. I took advantage of the wee...
Learn programming standards from TI code!!!
In fact, it is quite important to understand the system clock system. The following is a brief summary of the key points of the application.
1. First of all...
E840-DTU device unresponsive problem
In channel 1, I set up the MQTT protocol to communicate with Alibaba Cloud. As shown in the figure below, linkA lights up, but after I saved it and restarted it fr...
Recently, I have a project that requires peripherals with 5V and 3.3V. The main control is 3.3V, and there is a screen powered by 5V. The current is about 300+mA. The lithium battery is a single-cell ...