[i=s] This post was last edited by RF-刘海石 on 2018-12-21 12:03 [/i] [color=#00ff][size=5]It's the last week of December, and 2018 has passed in a blink of an eye. Here I want to draw a perfect end to 2...
PYBoard V1.1
HT16K33, I2C bus, address: 0x70,
I want to make a Tetris
First of all, I don’t know how to write a driver.
Phase 1 goal: Light up all LEDs
Phase II goal: infrared remote control to move a...
I'm learning SOC FPGA recently. I don't know if any great god has a bare metal tutorial. I'm a newbie. The more detailed the better. I've been reading for two months and have no clue....
Different pins of the same group of io ports of stm32 are set to different input and output modes. For example, PA1 of PA port is used as input to read input value, and PA2 is used as output to output...
By the way, I did a ripple control test: input 5V3A switching power supply output setting 9.2VNote: The following results are for the probes clamped on the test posts of the EMC board, and the spacing...
1 CAN Bus Overview CAN, the full name of which is "Controller Area Network", is one of the most widely used fieldbuses in the world. In the early 1980s, the German company Bosch developed the...[Details]
Introduction At present, SED1330, as one of the most powerful controllers among similar graphic LCD modules, has been widely used in various dot matrix display modules. This article uses the CA32024...[Details]
An investor asked a question on the investor interaction platform: It has been more than a month since Mr. Dong's last visit to the platform to answer questions. Why didn't Mr. Dong pay attention to ...[Details]
1. Use fuses (tubes) to protect LED circuits
Since fuses are disposable, slow to react, poor in effect, and inconvenient to use, fuses are not suitable for use in finished LED lamps, because...[Details]
Using the system shown in Figure 1, a cable containing twisted pairs can be quickly tested to detect open or inverted pairs, shorts between pairs, and shorts between unrelated pairs. The tester consis...[Details]
Whether you admit it or not, Google's Pixel series of mobile phones have always given people a strong "demo machine" feel since their birth. But this "demo machine" feel may soon become a thing of th...[Details]
Switching power supplies are widely used in various fields such as industry, communication, military, civil, aviation, etc. due to their advantages of small size, light weight, high efficiency, r...[Details]
Equivalent circuit of parallel resonant transformer
Figure 1. Equivalent circuit of parallel resonant transformer
The equivalent circuit of the parallel resonant transformer is shown in Figure...[Details]
The digital source meter integrates the functions of voltage source, current source, voltmeter, ammeter, and electronic load. It is widely used to measure the characteristics of various types of prec...[Details]
Capacitive touch sensing has always been a design differentiator for the design of highly aesthetic automotive infotainment systems. When devices were adequate for integrating automotive-specif...[Details]
Excessive heat from high temperatures or internal power dissipation can change the characteristics of electronic components and cause them to shut down, operate outside of their specified operating ra...[Details]
This chapter introduces the basic features of the ARM processor, including details of registers, operating modes, and instruction sets. We will also touch on some processor implementation details, ...[Details]
0 Introduction
The heating time of traditional large-capacity electric water heaters is generally long. If the water heater is always on, it will consume energy and electricity. The timer ...[Details]
According to a new research report released by Strategy Analytics, sales of smart speakers in China increased by more than 500% year-on-year in Q1 2019. This pushed global smart speaker sales in Q1 t...[Details]