MSP430f5529 is used to collect, display and calculate the blood oxygen saturation value of the blood oxygen module. However, the array cannot be too large. If the array length is 50, it will not work....
Now I have a complete set of Puzhong 51 single-chip microcomputer development board, with 12864 LCD screen, stepper motor, DC motor, DS13B20 temperature sensor, infrared sensor and infrared remote con...
I want to identify a USB dongle if (dbhdr && dbhdr->dbcd_devicetype == DBT_DEVTYP_VOLUME) This is used to identify the device type of the USB hard disk. There are five types: DBT_DEVTYP_DEVICEINTERFAC...
[b][size=3]Hello everyone! [/size][/b] [b][size=3]I have a question to ask, what does the range of "β" in the transistor manual mean? For example, the C9013 data sheet says that the "H" in C9013H refe...
[i=s]This post was last edited by Ruyingsuixing on 2015-1-14 11:10[/i] Electronics/Hardware EngineerYour job responsibilities: 1. Schematic design and PCBlayout 2. Support new product introduction or ...
It works on PC. CE also has this API. How should I use it? HMIXER hmx; mixerOpen(&hmx, 0, 0, 0, 0); It compiles and passes, but it fails when executed....