First of all, I wish you all a happy Chinese New Year. This year can actually be described as "turbulent". Electronic technology and chips have become the top search terms in 2019. Every fluctuation i
How to use NE555 to build a square wave signal with a duty cycle of 50%, a signal amplitude of -5V~+5V, and an adjustable frequency (1khz~50khz). I have only learned the basics of circuit analysis and
As shown in the picture, the actual boost voltage of the ME2139 DC-DC boost IC I used is 4.8V, and the current it can withstand is 2.5A. There is a series heating wire (2.5R) in the COIL, and I connec
In this section, we will improve the button function implemented last time and provide a button response function. Currently, we only implement a switching function of turning the breathing light on a
As a newcomer, I don't seem to be qualified to make suggestions, but I still want to make a small suggestion!
Many times I see that some question posts have restrictions. I understand that these restr