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
Basic knowledge of Keil C51 development system 1. Section 1 System Overview Keil C51 is a 51 series compatible microcontroller C language software development system produced by Keil Software, USA. Co
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
Rule 1: Understand what is DC/DC power supply and DC/DC conversion circuit classification. DC/DC power supply circuit is also called DC/DC conversion circuit. Its main function is to convert input 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