How to implement the right-click eject operation of the CD-ROM drive through a program. Specifically: if a device is a CD-ROM drive after being plugged in, how to write an application to eject this CD
I want to use 1.9v IO to control the on and off of 5v load. I selected some pictures on the Internet. I feel dizzy. The load includes: 1. 5V active buzzer (40mA). Turn on every 300ms. 2. The switch of
Constant voltage circuit and constant current circuit composed of operational amplifier and triodeConstant voltage circuit
The 15V voltage provides enough current to the output end of the circuit. R3
In the next lecture, we will mainly introduce: readback accuracy, readback resolution, remote sensing, stability index, temperature stability, load regulation rate, and line regulation rate index in l
[Foreword] A while ago, I read the introductory manual, pulled examples to run, or modified them, and they could run. However, if you really want to write what you want from scratch, you will encounte
I want to intercept the information of a PC host and a card reader through an MCU. Is there any good way? Our host cannot be installed with software such as Bushound, and the normal communication betw