Android BLE can only send 20 bytes of data each time. If you want to send hundreds of bytes, if you don't control the flow, packets will be lost. According to the specification, each time a packet of ...
I want to process a 4cm*9cm 4-layer 1.6mm thick small board. How much does it cost to make 30 sets? Is there anyone who can make PCB proofs and give me some guidance?...
[font=微软雅黑]Special thanks to EEWORLD forum member Xinhai Baby for his suggestions: [/font] [A post destined to be extraordinary] [url=https://bbs.eeworld.com.cn/thread-338735-1-1.html]https://bbs.eewo...
[i=s]This post was last edited by sfcsdc on 2020-4-20 16:35[/i]Previously I asked you how a switching power supply can output a voltage lower than the reference voltage.
https://bbs.eeworld.com.cn/thr...
This example is for the STM32F107VC chip. Other STM32 chips need to modify related parameters.Create a new project unit dedicated to memory debugging (optional)Target page, modify the initial download...
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In the period after the switching power supply achieved the "20 kHz" revolution in the 1970s, although improvements and enhancements were made in circuit technology, the development level of the se...[Details]
Inverter power supplies on the market can generally be divided into two categories: sine wave inverters and square wave inverters. Some engineers also like to categorize pure sine wave inverters as...[Details]